Home / 132,001.40-198,002.10-130,251.80

Finding the Fourth Proportional to 132,001.40, 198,002.10 and 130,251.80

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Solution

The fourth proportional to 132,001.40, 198,002.10 and 130,251.80 is: 195,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,001.40 : 198,002.10 = 130,251.80 : x
  2. Step 2: Convert to fraction form
    132,001.40/198,002.10 = 130,251.80/x
  3. Step 3: Cross multiply
    132,001.40x = 198,002.10 × 130,251.80
  4. Step 4: Simplify right side
    132,001.40x = 25,790,129,928.78
  5. Step 5: Solve for x
    x = 25,790,129,928.78/132,001.40
  6. Step 6: Final answer
    x = 195,377.70

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1.5x scale

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.