Home / 132,115.11-198,193.33-43,348.43

Finding the Fourth Proportional to 132,115.11, 198,193.33 and 43,348.43

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Solution

The fourth proportional to 132,115.11, 198,193.33 and 43,348.43 is: 65,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,115.11 : 198,193.33 = 43,348.43 : x
  2. Step 2: Convert to fraction form
    132,115.11/198,193.33 = 43,348.43/x
  3. Step 3: Cross multiply
    132,115.11x = 198,193.33 × 43,348.43
  4. Step 4: Simplify right side
    132,115.11x = 8,591,369,691.97
  5. Step 5: Solve for x
    x = 8,591,369,691.97/132,115.11
  6. Step 6: Final answer
    x = 65,029.43

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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.