| ( | 15140 | + | 200 | + | x | ) | × | 33 1000 | = | 4 | x |
| 方程左边 = | 15140 | × | 33 1000 | + | 200 | × | 33 1000 | + | x | × | 33 1000 |
| = | 24981 50 | + | 33 5 | + | x | × | 33 1000 |
| = | 25311 50 | + | 33 1000 | x |
25311 50 | + | 33 1000 | x | = | 4 | x |
33 1000 | x | − | 4 | x | = | - | 25311 50 |
| - | 3967 1000 | x | = | - | 25311 50 |
25311 50 | = | 3967 1000 | x |
3967 1000 | x | = | 25311 50 |
| x | = | 25311 50 | ÷ | 3967 1000 |
| = | 25311 50 | × | 1000 3967 |
| = | 25311 | × | 20 3967 |
| x | = | 506220 3967 |
| x | = | 127.607764 |