Home / 117,672.20-176,508.30-51,144.20

Finding the Fourth Proportional to 117,672.20, 176,508.30 and 51,144.20

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Solution

The fourth proportional to 117,672.20, 176,508.30 and 51,144.20 is: 76,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,672.20 : 176,508.30 = 51,144.20 : x
  2. Step 2: Convert to fraction form
    117,672.20/176,508.30 = 51,144.20/x
  3. Step 3: Cross multiply
    117,672.20x = 176,508.30 × 51,144.20
  4. Step 4: Simplify right side
    117,672.20x = 9,027,375,796.86
  5. Step 5: Solve for x
    x = 9,027,375,796.86/117,672.20
  6. Step 6: Final answer
    x = 76,716.30

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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.