Home / 198,230.64-273,491.28-113,287.20

Finding the Fourth Proportional to 198,230.64, 273,491.28 and 113,287.20

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Solution

The fourth proportional to 198,230.64, 273,491.28 and 113,287.20 is: 156,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,230.64 : 273,491.28 = 113,287.20 : x
  2. Step 2: Convert to fraction form
    198,230.64/273,491.28 = 113,287.20/x
  3. Step 3: Cross multiply
    198,230.64x = 273,491.28 × 113,287.20
  4. Step 4: Simplify right side
    198,230.64x = 30,983,061,335.62
  5. Step 5: Solve for x
    x = 30,983,061,335.62/198,230.64
  6. Step 6: Final answer
    x = 156,298.04

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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.