Home / 198,057.32-273,319.46-108,633.96

Finding the Fourth Proportional to 198,057.32, 273,319.46 and 108,633.96

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Solution

The fourth proportional to 198,057.32, 273,319.46 and 108,633.96 is: 149,915.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,057.32 : 273,319.46 = 108,633.96 : x
  2. Step 2: Convert to fraction form
    198,057.32/273,319.46 = 108,633.96/x
  3. Step 3: Cross multiply
    198,057.32x = 273,319.46 × 108,633.96
  4. Step 4: Simplify right side
    198,057.32x = 29,691,775,284.86
  5. Step 5: Solve for x
    x = 29,691,775,284.86/198,057.32
  6. Step 6: Final answer
    x = 149,915.06

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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.