Home / 150,778.20-225,908.10-98,160.60

Finding the Fourth Proportional to 150,778.20, 225,908.10 and 98,160.60

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Solution

The fourth proportional to 150,778.20, 225,908.10 and 98,160.60 is: 147,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,778.20 : 225,908.10 = 98,160.60 : x
  2. Step 2: Convert to fraction form
    150,778.20/225,908.10 = 98,160.60/x
  3. Step 3: Cross multiply
    150,778.20x = 225,908.10 × 98,160.60
  4. Step 4: Simplify right side
    150,778.20x = 22,175,274,640.86
  5. Step 5: Solve for x
    x = 22,175,274,640.86/150,778.20
  6. Step 6: Final answer
    x = 147,072.15

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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.