Home / 225,548.75-338,217.17-130,805.85

Finding the Fourth Proportional to 225,548.75, 338,217.17 and 130,805.85

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Solution

The fourth proportional to 225,548.75, 338,217.17 and 130,805.85 is: 196,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,548.75 : 338,217.17 = 130,805.85 : x
  2. Step 2: Convert to fraction form
    225,548.75/338,217.17 = 130,805.85/x
  3. Step 3: Cross multiply
    225,548.75x = 338,217.17 × 130,805.85
  4. Step 4: Simplify right side
    225,548.75x = 44,240,783,752.42
  5. Step 5: Solve for x
    x = 44,240,783,752.42/225,548.75
  6. Step 6: Final answer
    x = 196,147.33

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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.