Home / 151,827.46-227,879.40-80,809.73

Finding the Fourth Proportional to 151,827.46, 227,879.40 and 80,809.73

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Solution

The fourth proportional to 151,827.46, 227,879.40 and 80,809.73 is: 121,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,827.46 : 227,879.40 = 80,809.73 : x
  2. Step 2: Convert to fraction form
    151,827.46/227,879.40 = 80,809.73/x
  3. Step 3: Cross multiply
    151,827.46x = 227,879.40 × 80,809.73
  4. Step 4: Simplify right side
    151,827.46x = 18,414,871,936.56
  5. Step 5: Solve for x
    x = 18,414,871,936.56/151,827.46
  6. Step 6: Final answer
    x = 121,288.15

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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.