Home / 132,200.70-198,301.05-43,432.80

Finding the Fourth Proportional to 132,200.70, 198,301.05 and 43,432.80

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Solution

The fourth proportional to 132,200.70, 198,301.05 and 43,432.80 is: 65,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,200.70 : 198,301.05 = 43,432.80 : x
  2. Step 2: Convert to fraction form
    132,200.70/198,301.05 = 43,432.80/x
  3. Step 3: Cross multiply
    132,200.70x = 198,301.05 × 43,432.80
  4. Step 4: Simplify right side
    132,200.70x = 8,612,769,844.44
  5. Step 5: Solve for x
    x = 8,612,769,844.44/132,200.70
  6. Step 6: Final answer
    x = 65,149.20

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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.