Home / 150,638.60-225,959.19-38,318.92

Finding the Fourth Proportional to 150,638.60, 225,959.19 and 38,318.92

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Solution

The fourth proportional to 150,638.60, 225,959.19 and 38,318.92 is: 57,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,638.60 : 225,959.19 = 38,318.92 : x
  2. Step 2: Convert to fraction form
    150,638.60/225,959.19 = 38,318.92/x
  3. Step 3: Cross multiply
    150,638.60x = 225,959.19 × 38,318.92
  4. Step 4: Simplify right side
    150,638.60x = 8,658,511,933.28
  5. Step 5: Solve for x
    x = 8,658,511,933.28/150,638.60
  6. Step 6: Final answer
    x = 57,478.71

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1.5x scale

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.