Home / 204,513.60-306,785.76-54,750.57

Finding the Fourth Proportional to 204,513.60, 306,785.76 and 54,750.57

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Solution

The fourth proportional to 204,513.60, 306,785.76 and 54,750.57 is: 82,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,513.60 : 306,785.76 = 54,750.57 : x
  2. Step 2: Convert to fraction form
    204,513.60/306,785.76 = 54,750.57/x
  3. Step 3: Cross multiply
    204,513.60x = 306,785.76 × 54,750.57
  4. Step 4: Simplify right side
    204,513.60x = 16,796,695,227.88
  5. Step 5: Solve for x
    x = 16,796,695,227.88/204,513.60
  6. Step 6: Final answer
    x = 82,129.97

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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.