Home / 498,734.20-748,101.30-124,757.20

Finding the Fourth Proportional to 498,734.20, 748,101.30 and 124,757.20

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Solution

The fourth proportional to 498,734.20, 748,101.30 and 124,757.20 is: 187,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,734.20 : 748,101.30 = 124,757.20 : x
  2. Step 2: Convert to fraction form
    498,734.20/748,101.30 = 124,757.20/x
  3. Step 3: Cross multiply
    498,734.20x = 748,101.30 × 124,757.20
  4. Step 4: Simplify right side
    498,734.20x = 93,331,023,504.36
  5. Step 5: Solve for x
    x = 93,331,023,504.36/498,734.20
  6. Step 6: Final answer
    x = 187,135.80

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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.