Home / 150,398.28-207,549.66-89,971.44

Finding the Fourth Proportional to 150,398.28, 207,549.66 and 89,971.44

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Solution

The fourth proportional to 150,398.28, 207,549.66 and 89,971.44 is: 124,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,398.28 : 207,549.66 = 89,971.44 : x
  2. Step 2: Convert to fraction form
    150,398.28/207,549.66 = 89,971.44/x
  3. Step 3: Cross multiply
    150,398.28x = 207,549.66 × 89,971.44
  4. Step 4: Simplify right side
    150,398.28x = 18,673,541,781.71
  5. Step 5: Solve for x
    x = 18,673,541,781.71/150,398.28
  6. Step 6: Final answer
    x = 124,160.61

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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.