Home / 150,553.46-207,763.35-86,042.71

Finding the Fourth Proportional to 150,553.46, 207,763.35 and 86,042.71

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Solution

The fourth proportional to 150,553.46, 207,763.35 and 86,042.71 is: 118,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,553.46 : 207,763.35 = 86,042.71 : x
  2. Step 2: Convert to fraction form
    150,553.46/207,763.35 = 86,042.71/x
  3. Step 3: Cross multiply
    150,553.46x = 207,763.35 × 86,042.71
  4. Step 4: Simplify right side
    150,553.46x = 17,876,521,672.68
  5. Step 5: Solve for x
    x = 17,876,521,672.68/150,553.46
  6. Step 6: Final answer
    x = 118,738.70

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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.