Home / 198,049.12-273,310.48-108,630.88

Finding the Fourth Proportional to 198,049.12, 273,310.48 and 108,630.88

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Solution

The fourth proportional to 198,049.12, 273,310.48 and 108,630.88 is: 149,912.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,049.12 : 273,310.48 = 108,630.88 : x
  2. Step 2: Convert to fraction form
    198,049.12/273,310.48 = 108,630.88/x
  3. Step 3: Cross multiply
    198,049.12x = 273,310.48 × 108,630.88
  4. Step 4: Simplify right side
    198,049.12x = 29,689,957,955.62
  5. Step 5: Solve for x
    x = 29,689,957,955.62/198,049.12
  6. Step 6: Final answer
    x = 149,912.09

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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.