Home / 125,640.28-188,488.22-41,397.04

Finding the Fourth Proportional to 125,640.28, 188,488.22 and 41,397.04

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Solution

The fourth proportional to 125,640.28, 188,488.22 and 41,397.04 is: 62,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,640.28 : 188,488.22 = 41,397.04 : x
  2. Step 2: Convert to fraction form
    125,640.28/188,488.22 = 41,397.04/x
  3. Step 3: Cross multiply
    125,640.28x = 188,488.22 × 41,397.04
  4. Step 4: Simplify right side
    125,640.28x = 7,802,854,382.87
  5. Step 5: Solve for x
    x = 7,802,854,382.87/125,640.28
  6. Step 6: Final answer
    x = 62,104.72

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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.