Home / 269,191.18-371,483.85-156,079.54

Finding the Fourth Proportional to 269,191.18, 371,483.85 and 156,079.54

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Solution

The fourth proportional to 269,191.18, 371,483.85 and 156,079.54 is: 215,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,191.18 : 371,483.85 = 156,079.54 : x
  2. Step 2: Convert to fraction form
    269,191.18/371,483.85 = 156,079.54/x
  3. Step 3: Cross multiply
    269,191.18x = 371,483.85 × 156,079.54
  4. Step 4: Simplify right side
    269,191.18x = 57,981,028,425.43
  5. Step 5: Solve for x
    x = 57,981,028,425.43/269,191.18
  6. Step 6: Final answer
    x = 215,389.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.