Home / 168,074.46-231,939.78-91,594.23

Finding the Fourth Proportional to 168,074.46, 231,939.78 and 91,594.23

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Solution

The fourth proportional to 168,074.46, 231,939.78 and 91,594.23 is: 126,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,074.46 : 231,939.78 = 91,594.23 : x
  2. Step 2: Convert to fraction form
    168,074.46/231,939.78 = 91,594.23/x
  3. Step 3: Cross multiply
    168,074.46x = 231,939.78 × 91,594.23
  4. Step 4: Simplify right side
    168,074.46x = 21,244,345,555.47
  5. Step 5: Solve for x
    x = 21,244,345,555.47/168,074.46
  6. Step 6: Final answer
    x = 126,398.42

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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.