Home / 198,079.16-273,367.92-113,179.76

Finding the Fourth Proportional to 198,079.16, 273,367.92 and 113,179.76

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Solution

The fourth proportional to 198,079.16, 273,367.92 and 113,179.76 is: 156,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,079.16 : 273,367.92 = 113,179.76 : x
  2. Step 2: Convert to fraction form
    198,079.16/273,367.92 = 113,179.76/x
  3. Step 3: Cross multiply
    198,079.16x = 273,367.92 × 113,179.76
  4. Step 4: Simplify right side
    198,079.16x = 30,939,715,577.30
  5. Step 5: Solve for x
    x = 30,939,715,577.30/198,079.16
  6. Step 6: Final answer
    x = 156,198.74

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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.