Home / 151,660.80-209,306.88-113,353.92

Finding the Fourth Proportional to 151,660.80, 209,306.88 and 113,353.92

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Solution

The fourth proportional to 151,660.80, 209,306.88 and 113,353.92 is: 156,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,660.80 : 209,306.88 = 113,353.92 : x
  2. Step 2: Convert to fraction form
    151,660.80/209,306.88 = 113,353.92/x
  3. Step 3: Cross multiply
    151,660.80x = 209,306.88 × 113,353.92
  4. Step 4: Simplify right side
    151,660.80x = 23,725,755,330.97
  5. Step 5: Solve for x
    x = 23,725,755,330.97/151,660.80
  6. Step 6: Final answer
    x = 156,439.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.