Home / 150,740.17-207,882.59-102,414.43

Finding the Fourth Proportional to 150,740.17, 207,882.59 and 102,414.43

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Solution

The fourth proportional to 150,740.17, 207,882.59 and 102,414.43 is: 141,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,740.17 : 207,882.59 = 102,414.43 : x
  2. Step 2: Convert to fraction form
    150,740.17/207,882.59 = 102,414.43/x
  3. Step 3: Cross multiply
    150,740.17x = 207,882.59 × 102,414.43
  4. Step 4: Simplify right side
    150,740.17x = 21,290,177,294.22
  5. Step 5: Solve for x
    x = 21,290,177,294.22/150,740.17
  6. Step 6: Final answer
    x = 141,237.58

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1.5x scale

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.