Home / 168,813.27-253,344.42-80,067.06

Finding the Fourth Proportional to 168,813.27, 253,344.42 and 80,067.06

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Solution

The fourth proportional to 168,813.27, 253,344.42 and 80,067.06 is: 120,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,813.27 : 253,344.42 = 80,067.06 : x
  2. Step 2: Convert to fraction form
    168,813.27/253,344.42 = 80,067.06/x
  3. Step 3: Cross multiply
    168,813.27x = 253,344.42 × 80,067.06
  4. Step 4: Simplify right side
    168,813.27x = 20,284,542,876.81
  5. Step 5: Solve for x
    x = 20,284,542,876.81/168,813.27
  6. Step 6: Final answer
    x = 120,159.65

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1.5x scale

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.