Home / 122,928.28-184,424.10-66,753.97

Finding the Fourth Proportional to 122,928.28, 184,424.10 and 66,753.97

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Solution

The fourth proportional to 122,928.28, 184,424.10 and 66,753.97 is: 100,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,928.28 : 184,424.10 = 66,753.97 : x
  2. Step 2: Convert to fraction form
    122,928.28/184,424.10 = 66,753.97/x
  3. Step 3: Cross multiply
    122,928.28x = 184,424.10 × 66,753.97
  4. Step 4: Simplify right side
    122,928.28x = 12,311,040,377.62
  5. Step 5: Solve for x
    x = 12,311,040,377.62/122,928.28
  6. Step 6: Final answer
    x = 100,148.16

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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.