Home / 198,373.22-273,754.20-107,728.56

Finding the Fourth Proportional to 198,373.22, 273,754.20 and 107,728.56

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Solution

The fourth proportional to 198,373.22, 273,754.20 and 107,728.56 is: 148,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,373.22 : 273,754.20 = 107,728.56 : x
  2. Step 2: Convert to fraction form
    198,373.22/273,754.20 = 107,728.56/x
  3. Step 3: Cross multiply
    198,373.22x = 273,754.20 × 107,728.56
  4. Step 4: Simplify right side
    198,373.22x = 29,491,145,759.95
  5. Step 5: Solve for x
    x = 29,491,145,759.95/198,373.22
  6. Step 6: Final answer
    x = 148,664.95

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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.