Home / 237,305.25-327,481.77-129,882.20

Finding the Fourth Proportional to 237,305.25, 327,481.77 and 129,882.20

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Solution

The fourth proportional to 237,305.25, 327,481.77 and 129,882.20 is: 179,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,305.25 : 327,481.77 = 129,882.20 : x
  2. Step 2: Convert to fraction form
    237,305.25/327,481.77 = 129,882.20/x
  3. Step 3: Cross multiply
    237,305.25x = 327,481.77 × 129,882.20
  4. Step 4: Simplify right side
    237,305.25x = 42,534,051,110.09
  5. Step 5: Solve for x
    x = 42,534,051,110.09/237,305.25
  6. Step 6: Final answer
    x = 179,237.72

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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.