Home / 387,151.07-580,726.60-150,549.11

Finding the Fourth Proportional to 387,151.07, 580,726.60 and 150,549.11

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Solution

The fourth proportional to 387,151.07, 580,726.60 and 150,549.11 is: 225,823.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,151.07 : 580,726.60 = 150,549.11 : x
  2. Step 2: Convert to fraction form
    387,151.07/580,726.60 = 150,549.11/x
  3. Step 3: Cross multiply
    387,151.07x = 580,726.60 × 150,549.11
  4. Step 4: Simplify right side
    387,151.07x = 87,427,869,503.32
  5. Step 5: Solve for x
    x = 87,427,869,503.32/387,151.07
  6. Step 6: Final answer
    x = 225,823.66

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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.