Home / 172,545.12-258,530.61-60,163.38

Finding the Fourth Proportional to 172,545.12, 258,530.61 and 60,163.38

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Solution

The fourth proportional to 172,545.12, 258,530.61 and 60,163.38 is: 90,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,545.12 : 258,530.61 = 60,163.38 : x
  2. Step 2: Convert to fraction form
    172,545.12/258,530.61 = 60,163.38/x
  3. Step 3: Cross multiply
    172,545.12x = 258,530.61 × 60,163.38
  4. Step 4: Simplify right side
    172,545.12x = 15,554,075,331.06
  5. Step 5: Solve for x
    x = 15,554,075,331.06/172,545.12
  6. Step 6: Final answer
    x = 90,144.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.