Home / 204,218.88-281,828.64-123,661.44

Finding the Fourth Proportional to 204,218.88, 281,828.64 and 123,661.44

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Solution

The fourth proportional to 204,218.88, 281,828.64 and 123,661.44 is: 170,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,218.88 : 281,828.64 = 123,661.44 : x
  2. Step 2: Convert to fraction form
    204,218.88/281,828.64 = 123,661.44/x
  3. Step 3: Cross multiply
    204,218.88x = 281,828.64 × 123,661.44
  4. Step 4: Simplify right side
    204,218.88x = 34,851,335,455.64
  5. Step 5: Solve for x
    x = 34,851,335,455.64/204,218.88
  6. Step 6: Final answer
    x = 170,656.78

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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.