Home / 198,019.20-273,280.96-113,134.44

Finding the Fourth Proportional to 198,019.20, 273,280.96 and 113,134.44

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Solution

The fourth proportional to 198,019.20, 273,280.96 and 113,134.44 is: 156,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,019.20 : 273,280.96 = 113,134.44 : x
  2. Step 2: Convert to fraction form
    198,019.20/273,280.96 = 113,134.44/x
  3. Step 3: Cross multiply
    198,019.20x = 273,280.96 × 113,134.44
  4. Step 4: Simplify right side
    198,019.20x = 30,917,488,372.26
  5. Step 5: Solve for x
    x = 30,917,488,372.26/198,019.20
  6. Step 6: Final answer
    x = 156,133.79

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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.