Home / 165,227.10-247,701.33-71,662.38

Finding the Fourth Proportional to 165,227.10, 247,701.33 and 71,662.38

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Solution

The fourth proportional to 165,227.10, 247,701.33 and 71,662.38 is: 107,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,227.10 : 247,701.33 = 71,662.38 : x
  2. Step 2: Convert to fraction form
    165,227.10/247,701.33 = 71,662.38/x
  3. Step 3: Cross multiply
    165,227.10x = 247,701.33 × 71,662.38
  4. Step 4: Simplify right side
    165,227.10x = 17,750,866,836.97
  5. Step 5: Solve for x
    x = 17,750,866,836.97/165,227.10
  6. Step 6: Final answer
    x = 107,433.14

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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.