Home / 198,253.31-273,589.75-107,609.24

Finding the Fourth Proportional to 198,253.31, 273,589.75 and 107,609.24

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Solution

The fourth proportional to 198,253.31, 273,589.75 and 107,609.24 is: 148,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,253.31 : 273,589.75 = 107,609.24 : x
  2. Step 2: Convert to fraction form
    198,253.31/273,589.75 = 107,609.24/x
  3. Step 3: Cross multiply
    198,253.31x = 273,589.75 × 107,609.24
  4. Step 4: Simplify right side
    198,253.31x = 29,440,785,887.78
  5. Step 5: Solve for x
    x = 29,440,785,887.78/198,253.31
  6. Step 6: Final answer
    x = 148,500.86

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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.