Home / 151,755.10-227,632.65-80,896.30

Finding the Fourth Proportional to 151,755.10, 227,632.65 and 80,896.30

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Solution

The fourth proportional to 151,755.10, 227,632.65 and 80,896.30 is: 121,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,755.10 : 227,632.65 = 80,896.30 : x
  2. Step 2: Convert to fraction form
    151,755.10/227,632.65 = 80,896.30/x
  3. Step 3: Cross multiply
    151,755.10x = 227,632.65 × 80,896.30
  4. Step 4: Simplify right side
    151,755.10x = 18,414,639,144.20
  5. Step 5: Solve for x
    x = 18,414,639,144.20/151,755.10
  6. Step 6: Final answer
    x = 121,344.45

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1.5x scale

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.