Home / 150,558.06-225,859.02-80,399.10

Finding the Fourth Proportional to 150,558.06, 225,859.02 and 80,399.10

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Solution

The fourth proportional to 150,558.06, 225,859.02 and 80,399.10 is: 120,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,558.06 : 225,859.02 = 80,399.10 : x
  2. Step 2: Convert to fraction form
    150,558.06/225,859.02 = 80,399.10/x
  3. Step 3: Cross multiply
    150,558.06x = 225,859.02 × 80,399.10
  4. Step 4: Simplify right side
    150,558.06x = 18,158,861,934.88
  5. Step 5: Solve for x
    x = 18,158,861,934.88/150,558.06
  6. Step 6: Final answer
    x = 120,610.36

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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.