Home / 129,626.92-194,443.44-34,857.28

Finding the Fourth Proportional to 129,626.92, 194,443.44 and 34,857.28

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Solution

The fourth proportional to 129,626.92, 194,443.44 and 34,857.28 is: 52,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,626.92 : 194,443.44 = 34,857.28 : x
  2. Step 2: Convert to fraction form
    129,626.92/194,443.44 = 34,857.28/x
  3. Step 3: Cross multiply
    129,626.92x = 194,443.44 × 34,857.28
  4. Step 4: Simplify right side
    129,626.92x = 6,777,769,432.24
  5. Step 5: Solve for x
    x = 6,777,769,432.24/129,626.92
  6. Step 6: Final answer
    x = 52,286.74

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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.