Home / 204,916.80-307,375.20-178,672.80

Finding the Fourth Proportional to 204,916.80, 307,375.20 and 178,672.80

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Solution

The fourth proportional to 204,916.80, 307,375.20 and 178,672.80 is: 268,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,916.80 : 307,375.20 = 178,672.80 : x
  2. Step 2: Convert to fraction form
    204,916.80/307,375.20 = 178,672.80/x
  3. Step 3: Cross multiply
    204,916.80x = 307,375.20 × 178,672.80
  4. Step 4: Simplify right side
    204,916.80x = 54,919,587,634.56
  5. Step 5: Solve for x
    x = 54,919,587,634.56/204,916.80
  6. Step 6: Final answer
    x = 268,009.20

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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.