Home / 165,013.50-247,480.61-76,181.66

Finding the Fourth Proportional to 165,013.50, 247,480.61 and 76,181.66

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Solution

The fourth proportional to 165,013.50, 247,480.61 and 76,181.66 is: 114,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,013.50 : 247,480.61 = 76,181.66 : x
  2. Step 2: Convert to fraction form
    165,013.50/247,480.61 = 76,181.66/x
  3. Step 3: Cross multiply
    165,013.50x = 247,480.61 × 76,181.66
  4. Step 4: Simplify right side
    165,013.50x = 18,853,483,306.70
  5. Step 5: Solve for x
    x = 18,853,483,306.70/165,013.50
  6. Step 6: Final answer
    x = 114,254.19

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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.