Home / 168,091.38-252,131.58-68,249.16

Finding the Fourth Proportional to 168,091.38, 252,131.58 and 68,249.16

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Solution

The fourth proportional to 168,091.38, 252,131.58 and 68,249.16 is: 102,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,091.38 : 252,131.58 = 68,249.16 : x
  2. Step 2: Convert to fraction form
    168,091.38/252,131.58 = 68,249.16/x
  3. Step 3: Cross multiply
    168,091.38x = 252,131.58 × 68,249.16
  4. Step 4: Simplify right side
    168,091.38x = 17,207,768,544.47
  5. Step 5: Solve for x
    x = 17,207,768,544.47/168,091.38
  6. Step 6: Final answer
    x = 102,371.51

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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.