Home / 151,720.30-227,062.05-133,057.90

Finding the Fourth Proportional to 151,720.30, 227,062.05 and 133,057.90

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Solution

The fourth proportional to 151,720.30, 227,062.05 and 133,057.90 is: 199,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,720.30 : 227,062.05 = 133,057.90 : x
  2. Step 2: Convert to fraction form
    151,720.30/227,062.05 = 133,057.90/x
  3. Step 3: Cross multiply
    151,720.30x = 227,062.05 × 133,057.90
  4. Step 4: Simplify right side
    151,720.30x = 30,212,399,542.70
  5. Step 5: Solve for x
    x = 30,212,399,542.70/151,720.30
  6. Step 6: Final answer
    x = 199,132.22

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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.