Home / 204,175.58-281,739.75-122,499.50

Finding the Fourth Proportional to 204,175.58, 281,739.75 and 122,499.50

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Solution

The fourth proportional to 204,175.58, 281,739.75 and 122,499.50 is: 169,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,175.58 : 281,739.75 = 122,499.50 : x
  2. Step 2: Convert to fraction form
    204,175.58/281,739.75 = 122,499.50/x
  3. Step 3: Cross multiply
    204,175.58x = 281,739.75 × 122,499.50
  4. Step 4: Simplify right side
    204,175.58x = 34,512,978,505.13
  5. Step 5: Solve for x
    x = 34,512,978,505.13/204,175.58
  6. Step 6: Final answer
    x = 169,035.78

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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.