Home / 123,424.15-185,136.24-29,929.90

Finding the Fourth Proportional to 123,424.15, 185,136.24 and 29,929.90

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Solution

The fourth proportional to 123,424.15, 185,136.24 and 29,929.90 is: 44,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,424.15 : 185,136.24 = 29,929.90 : x
  2. Step 2: Convert to fraction form
    123,424.15/185,136.24 = 29,929.90/x
  3. Step 3: Cross multiply
    123,424.15x = 185,136.24 × 29,929.90
  4. Step 4: Simplify right side
    123,424.15x = 5,541,109,149.58
  5. Step 5: Solve for x
    x = 5,541,109,149.58/123,424.15
  6. Step 6: Final answer
    x = 44,894.85

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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.