Home / 198,055.53-273,311.82-113,167.53

Finding the Fourth Proportional to 198,055.53, 273,311.82 and 113,167.53

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Solution

The fourth proportional to 198,055.53, 273,311.82 and 113,167.53 is: 156,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,055.53 : 273,311.82 = 113,167.53 : x
  2. Step 2: Convert to fraction form
    198,055.53/273,311.82 = 113,167.53/x
  3. Step 3: Cross multiply
    198,055.53x = 273,311.82 × 113,167.53
  4. Step 4: Simplify right side
    198,055.53x = 30,930,023,589.20
  5. Step 5: Solve for x
    x = 30,930,023,589.20/198,055.53
  6. Step 6: Final answer
    x = 156,168.44

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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.