Home / 151,991.28-227,947.20-45,350.16

Finding the Fourth Proportional to 151,991.28, 227,947.20 and 45,350.16

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Solution

The fourth proportional to 151,991.28, 227,947.20 and 45,350.16 is: 68,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,991.28 : 227,947.20 = 45,350.16 : x
  2. Step 2: Convert to fraction form
    151,991.28/227,947.20 = 45,350.16/x
  3. Step 3: Cross multiply
    151,991.28x = 227,947.20 × 45,350.16
  4. Step 4: Simplify right side
    151,991.28x = 10,337,441,991.55
  5. Step 5: Solve for x
    x = 10,337,441,991.55/151,991.28
  6. Step 6: Final answer
    x = 68,013.39

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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.