Home / 129,862.20-194,793.30-106,534.20

Finding the Fourth Proportional to 129,862.20, 194,793.30 and 106,534.20

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Solution

The fourth proportional to 129,862.20, 194,793.30 and 106,534.20 is: 159,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,862.20 : 194,793.30 = 106,534.20 : x
  2. Step 2: Convert to fraction form
    129,862.20/194,793.30 = 106,534.20/x
  3. Step 3: Cross multiply
    129,862.20x = 194,793.30 × 106,534.20
  4. Step 4: Simplify right side
    129,862.20x = 20,752,148,380.86
  5. Step 5: Solve for x
    x = 20,752,148,380.86/129,862.20
  6. Step 6: Final answer
    x = 159,801.30

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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.