Home / 353,822.01-530,414.19-129,024.72

Finding the Fourth Proportional to 353,822.01, 530,414.19 and 129,024.72

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Solution

The fourth proportional to 353,822.01, 530,414.19 and 129,024.72 is: 193,420.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,822.01 : 530,414.19 = 129,024.72 : x
  2. Step 2: Convert to fraction form
    353,822.01/530,414.19 = 129,024.72/x
  3. Step 3: Cross multiply
    353,822.01x = 530,414.19 × 129,024.72
  4. Step 4: Simplify right side
    353,822.01x = 68,436,542,348.78
  5. Step 5: Solve for x
    x = 68,436,542,348.78/353,822.01
  6. Step 6: Final answer
    x = 193,420.82

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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.