Home / 178,753.14-268,164.27-67,936.50

Finding the Fourth Proportional to 178,753.14, 268,164.27 and 67,936.50

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Solution

The fourth proportional to 178,753.14, 268,164.27 and 67,936.50 is: 101,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,753.14 : 268,164.27 = 67,936.50 : x
  2. Step 2: Convert to fraction form
    178,753.14/268,164.27 = 67,936.50/x
  3. Step 3: Cross multiply
    178,753.14x = 268,164.27 × 67,936.50
  4. Step 4: Simplify right side
    178,753.14x = 18,218,141,928.86
  5. Step 5: Solve for x
    x = 18,218,141,928.86/178,753.14
  6. Step 6: Final answer
    x = 101,917.88

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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.