Home / 175,930.22-263,691.20-80,961.03

Finding the Fourth Proportional to 175,930.22, 263,691.20 and 80,961.03

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Solution

The fourth proportional to 175,930.22, 263,691.20 and 80,961.03 is: 121,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,930.22 : 263,691.20 = 80,961.03 : x
  2. Step 2: Convert to fraction form
    175,930.22/263,691.20 = 80,961.03/x
  3. Step 3: Cross multiply
    175,930.22x = 263,691.20 × 80,961.03
  4. Step 4: Simplify right side
    175,930.22x = 21,348,711,784.08
  5. Step 5: Solve for x
    x = 21,348,711,784.08/175,930.22
  6. Step 6: Final answer
    x = 121,347.61

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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.