Home / 198,202.17-273,519.18-113,321.01

Finding the Fourth Proportional to 198,202.17, 273,519.18 and 113,321.01

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Solution

The fourth proportional to 198,202.17, 273,519.18 and 113,321.01 is: 156,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,202.17 : 273,519.18 = 113,321.01 : x
  2. Step 2: Convert to fraction form
    198,202.17/273,519.18 = 113,321.01/x
  3. Step 3: Cross multiply
    198,202.17x = 273,519.18 × 113,321.01
  4. Step 4: Simplify right side
    198,202.17x = 30,995,469,731.97
  5. Step 5: Solve for x
    x = 30,995,469,731.97/198,202.17
  6. Step 6: Final answer
    x = 156,383.10

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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.