Home / 204,044.78-281,538.29-123,456.26

Finding the Fourth Proportional to 204,044.78, 281,538.29 and 123,456.26

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Solution

The fourth proportional to 204,044.78, 281,538.29 and 123,456.26 is: 170,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,044.78 : 281,538.29 = 123,456.26 : x
  2. Step 2: Convert to fraction form
    204,044.78/281,538.29 = 123,456.26/x
  3. Step 3: Cross multiply
    204,044.78x = 281,538.29 × 123,456.26
  4. Step 4: Simplify right side
    204,044.78x = 34,757,662,305.22
  5. Step 5: Solve for x
    x = 34,757,662,305.22/204,044.78
  6. Step 6: Final answer
    x = 170,343.31

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1.5x scale

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.