Home / 132,351.20-198,415.15-57,414.93

Finding the Fourth Proportional to 132,351.20, 198,415.15 and 57,414.93

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Solution

The fourth proportional to 132,351.20, 198,415.15 and 57,414.93 is: 86,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,351.20 : 198,415.15 = 57,414.93 : x
  2. Step 2: Convert to fraction form
    132,351.20/198,415.15 = 57,414.93/x
  3. Step 3: Cross multiply
    132,351.20x = 198,415.15 × 57,414.93
  4. Step 4: Simplify right side
    132,351.20x = 11,391,991,948.19
  5. Step 5: Solve for x
    x = 11,391,991,948.19/132,351.20
  6. Step 6: Final answer
    x = 86,073.96

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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.