Home / 135,825.92-203,872.96-101,974.19

Finding the Fourth Proportional to 135,825.92, 203,872.96 and 101,974.19

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Solution

The fourth proportional to 135,825.92, 203,872.96 and 101,974.19 is: 153,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,825.92 : 203,872.96 = 101,974.19 : x
  2. Step 2: Convert to fraction form
    135,825.92/203,872.96 = 101,974.19/x
  3. Step 3: Cross multiply
    135,825.92x = 203,872.96 × 101,974.19
  4. Step 4: Simplify right side
    135,825.92x = 20,789,780,723.52
  5. Step 5: Solve for x
    x = 20,789,780,723.52/135,825.92
  6. Step 6: Final answer
    x = 153,061.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.