Home / 168,104.96-231,983.68-91,623.84

Finding the Fourth Proportional to 168,104.96, 231,983.68 and 91,623.84

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Solution

The fourth proportional to 168,104.96, 231,983.68 and 91,623.84 is: 126,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,104.96 : 231,983.68 = 91,623.84 : x
  2. Step 2: Convert to fraction form
    168,104.96/231,983.68 = 91,623.84/x
  3. Step 3: Cross multiply
    168,104.96x = 231,983.68 × 91,623.84
  4. Step 4: Simplify right side
    168,104.96x = 21,255,235,578.93
  5. Step 5: Solve for x
    x = 21,255,235,578.93/168,104.96
  6. Step 6: Final answer
    x = 126,440.26

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1.5x scale

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.