Home / 276,200.08-381,098.94-161,456.56

Finding the Fourth Proportional to 276,200.08, 381,098.94 and 161,456.56

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Solution

The fourth proportional to 276,200.08, 381,098.94 and 161,456.56 is: 222,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,200.08 : 381,098.94 = 161,456.56 : x
  2. Step 2: Convert to fraction form
    276,200.08/381,098.94 = 161,456.56/x
  3. Step 3: Cross multiply
    276,200.08x = 381,098.94 × 161,456.56
  4. Step 4: Simplify right side
    276,200.08x = 61,530,923,872.05
  5. Step 5: Solve for x
    x = 61,530,923,872.05/276,200.08
  6. Step 6: Final answer
    x = 222,776.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.