Home / 132,630.35-198,943.70-57,748.91

Finding the Fourth Proportional to 132,630.35, 198,943.70 and 57,748.91

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Solution

The fourth proportional to 132,630.35, 198,943.70 and 57,748.91 is: 86,622.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,630.35 : 198,943.70 = 57,748.91 : x
  2. Step 2: Convert to fraction form
    132,630.35/198,943.70 = 57,748.91/x
  3. Step 3: Cross multiply
    132,630.35x = 198,943.70 × 57,748.91
  4. Step 4: Simplify right side
    132,630.35x = 11,488,780,542.90
  5. Step 5: Solve for x
    x = 11,488,780,542.90/132,630.35
  6. Step 6: Final answer
    x = 86,622.56

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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.