Home / 198,376.52-273,807.24-113,542.80

Finding the Fourth Proportional to 198,376.52, 273,807.24 and 113,542.80

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Solution

The fourth proportional to 198,376.52, 273,807.24 and 113,542.80 is: 156,716.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,376.52 : 273,807.24 = 113,542.80 : x
  2. Step 2: Convert to fraction form
    198,376.52/273,807.24 = 113,542.80/x
  3. Step 3: Cross multiply
    198,376.52x = 273,807.24 × 113,542.80
  4. Step 4: Simplify right side
    198,376.52x = 31,088,840,689.87
  5. Step 5: Solve for x
    x = 31,088,840,689.87/198,376.52
  6. Step 6: Final answer
    x = 156,716.33

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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.