Home / 198,591.28-274,049.25-113,691.94

Finding the Fourth Proportional to 198,591.28, 274,049.25 and 113,691.94

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Solution

The fourth proportional to 198,591.28, 274,049.25 and 113,691.94 is: 156,891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,591.28 : 274,049.25 = 113,691.94 : x
  2. Step 2: Convert to fraction form
    198,591.28/274,049.25 = 113,691.94/x
  3. Step 3: Cross multiply
    198,591.28x = 274,049.25 × 113,691.94
  4. Step 4: Simplify right side
    198,591.28x = 31,157,190,888.05
  5. Step 5: Solve for x
    x = 31,157,190,888.05/198,591.28
  6. Step 6: Final answer
    x = 156,891.03

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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.