Home / 194,515.27-268,432.25-108,479.69

Finding the Fourth Proportional to 194,515.27, 268,432.25 and 108,479.69

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Solution

The fourth proportional to 194,515.27, 268,432.25 and 108,479.69 is: 149,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,515.27 : 268,432.25 = 108,479.69 : x
  2. Step 2: Convert to fraction form
    194,515.27/268,432.25 = 108,479.69/x
  3. Step 3: Cross multiply
    194,515.27x = 268,432.25 × 108,479.69
  4. Step 4: Simplify right side
    194,515.27x = 29,119,446,388.06
  5. Step 5: Solve for x
    x = 29,119,446,388.06/194,515.27
  6. Step 6: Final answer
    x = 149,702.62

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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.