Home / 168,836.85-253,161.77-69,067.08

Finding the Fourth Proportional to 168,836.85, 253,161.77 and 69,067.08

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Solution

The fourth proportional to 168,836.85, 253,161.77 and 69,067.08 is: 103,562.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,836.85 : 253,161.77 = 69,067.08 : x
  2. Step 2: Convert to fraction form
    168,836.85/253,161.77 = 69,067.08/x
  3. Step 3: Cross multiply
    168,836.85x = 253,161.77 × 69,067.08
  4. Step 4: Simplify right side
    168,836.85x = 17,485,143,876.20
  5. Step 5: Solve for x
    x = 17,485,143,876.20/168,836.85
  6. Step 6: Final answer
    x = 103,562.37

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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.