Home / 165,231.36-247,759.20-65,387.52

Finding the Fourth Proportional to 165,231.36, 247,759.20 and 65,387.52

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Solution

The fourth proportional to 165,231.36, 247,759.20 and 65,387.52 is: 98,046.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,231.36 : 247,759.20 = 65,387.52 : x
  2. Step 2: Convert to fraction form
    165,231.36/247,759.20 = 65,387.52/x
  3. Step 3: Cross multiply
    165,231.36x = 247,759.20 × 65,387.52
  4. Step 4: Simplify right side
    165,231.36x = 16,200,359,645.18
  5. Step 5: Solve for x
    x = 16,200,359,645.18/165,231.36
  6. Step 6: Final answer
    x = 98,046.52

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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.