Home / 205,431.25-283,508.31-114,787.48

Finding the Fourth Proportional to 205,431.25, 283,508.31 and 114,787.48

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Solution

The fourth proportional to 205,431.25, 283,508.31 and 114,787.48 is: 158,414.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,431.25 : 283,508.31 = 114,787.48 : x
  2. Step 2: Convert to fraction form
    205,431.25/283,508.31 = 114,787.48/x
  3. Step 3: Cross multiply
    205,431.25x = 283,508.31 × 114,787.48
  4. Step 4: Simplify right side
    205,431.25x = 32,543,204,463.96
  5. Step 5: Solve for x
    x = 32,543,204,463.96/205,431.25
  6. Step 6: Final answer
    x = 158,414.09

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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.