Home / 132,057.90-198,110.85-43,286.70

Finding the Fourth Proportional to 132,057.90, 198,110.85 and 43,286.70

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Solution

The fourth proportional to 132,057.90, 198,110.85 and 43,286.70 is: 64,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,057.90 : 198,110.85 = 43,286.70 : x
  2. Step 2: Convert to fraction form
    132,057.90/198,110.85 = 43,286.70/x
  3. Step 3: Cross multiply
    132,057.90x = 198,110.85 × 43,286.70
  4. Step 4: Simplify right side
    132,057.90x = 8,575,564,930.70
  5. Step 5: Solve for x
    x = 8,575,564,930.70/132,057.90
  6. Step 6: Final answer
    x = 64,937.92

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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.