Home / 198,091.20-273,384.52-113,191.76

Finding the Fourth Proportional to 198,091.20, 273,384.52 and 113,191.76

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Solution

The fourth proportional to 198,091.20, 273,384.52 and 113,191.76 is: 156,215.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,091.20 : 273,384.52 = 113,191.76 : x
  2. Step 2: Convert to fraction form
    198,091.20/273,384.52 = 113,191.76/x
  3. Step 3: Cross multiply
    198,091.20x = 273,384.52 × 113,191.76
  4. Step 4: Simplify right side
    198,091.20x = 30,944,874,975.56
  5. Step 5: Solve for x
    x = 30,944,874,975.56/198,091.20
  6. Step 6: Final answer
    x = 156,215.29

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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.