Home / 204,039.44-281,616.36-128,537.36

Finding the Fourth Proportional to 204,039.44, 281,616.36 and 128,537.36

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Solution

The fourth proportional to 204,039.44, 281,616.36 and 128,537.36 is: 177,407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,039.44 : 281,616.36 = 128,537.36 : x
  2. Step 2: Convert to fraction form
    204,039.44/281,616.36 = 128,537.36/x
  3. Step 3: Cross multiply
    204,039.44x = 281,616.36 × 128,537.36
  4. Step 4: Simplify right side
    204,039.44x = 36,198,223,447.21
  5. Step 5: Solve for x
    x = 36,198,223,447.21/204,039.44
  6. Step 6: Final answer
    x = 177,407.97

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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.