Home / 125,140.29-187,649.15-61,887.12

Finding the Fourth Proportional to 125,140.29, 187,649.15 and 61,887.12

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Solution

The fourth proportional to 125,140.29, 187,649.15 and 61,887.12 is: 92,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,140.29 : 187,649.15 = 61,887.12 : x
  2. Step 2: Convert to fraction form
    125,140.29/187,649.15 = 61,887.12/x
  3. Step 3: Cross multiply
    125,140.29x = 187,649.15 × 61,887.12
  4. Step 4: Simplify right side
    125,140.29x = 11,613,065,154.51
  5. Step 5: Solve for x
    x = 11,613,065,154.51/125,140.29
  6. Step 6: Final answer
    x = 92,800.37

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1.5x scale

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.