Home / 115,747.52-173,441.72-80,278.04

Finding the Fourth Proportional to 115,747.52, 173,441.72 and 80,278.04

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Solution

The fourth proportional to 115,747.52, 173,441.72 and 80,278.04 is: 120,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,747.52 : 173,441.72 = 80,278.04 : x
  2. Step 2: Convert to fraction form
    115,747.52/173,441.72 = 80,278.04/x
  3. Step 3: Cross multiply
    115,747.52x = 173,441.72 × 80,278.04
  4. Step 4: Simplify right side
    115,747.52x = 13,923,561,335.83
  5. Step 5: Solve for x
    x = 13,923,561,335.83/115,747.52
  6. Step 6: Final answer
    x = 120,292.52

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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.