Home / 168,091.20-251,796.60-104,716.80

Finding the Fourth Proportional to 168,091.20, 251,796.60 and 104,716.80

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Solution

The fourth proportional to 168,091.20, 251,796.60 and 104,716.80 is: 156,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,091.20 : 251,796.60 = 104,716.80 : x
  2. Step 2: Convert to fraction form
    168,091.20/251,796.60 = 104,716.80/x
  3. Step 3: Cross multiply
    168,091.20x = 251,796.60 × 104,716.80
  4. Step 4: Simplify right side
    168,091.20x = 26,367,334,202.88
  5. Step 5: Solve for x
    x = 26,367,334,202.88/168,091.20
  6. Step 6: Final answer
    x = 156,863.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.