Home / 150,512.16-225,790.11-80,353.20

Finding the Fourth Proportional to 150,512.16, 225,790.11 and 80,353.20

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Solution

The fourth proportional to 150,512.16, 225,790.11 and 80,353.20 is: 120,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,512.16 : 225,790.11 = 80,353.20 : x
  2. Step 2: Convert to fraction form
    150,512.16/225,790.11 = 80,353.20/x
  3. Step 3: Cross multiply
    150,512.16x = 225,790.11 × 80,353.20
  4. Step 4: Simplify right side
    150,512.16x = 18,142,957,866.85
  5. Step 5: Solve for x
    x = 18,142,957,866.85/150,512.16
  6. Step 6: Final answer
    x = 120,541.48

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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.