| 172 | ÷ | x | ÷ | 69 50 | × | 60 | = | 180 |
| Multiply both sides of the equation by: | x |
| 172 | ÷ | 69 50 | × | 60 | = | 180 | x |
| - | 180 | x | = | - | 172 | ÷ | 69 50 | × | 60 |
| - | 180 | x | = | - | 172000 23 |
172000 23 | = | 180 | x |
| 180 | x | = | 172000 23 |
| x | = | 172000 23 | ÷ | 180 |
| = | 172000 23 | × | 1 180 |
| = | 8600 23 | × | 1 9 |
| x | = | 8600 207 |
| x | = | 41.545894 |