Home / 165,229.29-247,511.29-76,360.41

Finding the Fourth Proportional to 165,229.29, 247,511.29 and 76,360.41

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Solution

The fourth proportional to 165,229.29, 247,511.29 and 76,360.41 is: 114,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,229.29 : 247,511.29 = 76,360.41 : x
  2. Step 2: Convert to fraction form
    165,229.29/247,511.29 = 76,360.41/x
  3. Step 3: Cross multiply
    165,229.29x = 247,511.29 × 76,360.41
  4. Step 4: Simplify right side
    165,229.29x = 18,900,063,584.03
  5. Step 5: Solve for x
    x = 18,900,063,584.03/165,229.29
  6. Step 6: Final answer
    x = 114,386.88

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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.