Home / 115,966.20-173,747.70-53,508.60

Finding the Fourth Proportional to 115,966.20, 173,747.70 and 53,508.60

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Solution

The fourth proportional to 115,966.20, 173,747.70 and 53,508.60 is: 80,169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,966.20 : 173,747.70 = 53,508.60 : x
  2. Step 2: Convert to fraction form
    115,966.20/173,747.70 = 53,508.60/x
  3. Step 3: Cross multiply
    115,966.20x = 173,747.70 × 53,508.60
  4. Step 4: Simplify right side
    115,966.20x = 9,296,996,180.22
  5. Step 5: Solve for x
    x = 9,296,996,180.22/115,966.20
  6. Step 6: Final answer
    x = 80,169.88

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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.