Home / 168,084.16-231,949.37-91,601.63

Finding the Fourth Proportional to 168,084.16, 231,949.37 and 91,601.63

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Solution

The fourth proportional to 168,084.16, 231,949.37 and 91,601.63 is: 126,406.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,084.16 : 231,949.37 = 91,601.63 : x
  2. Step 2: Convert to fraction form
    168,084.16/231,949.37 = 91,601.63/x
  3. Step 3: Cross multiply
    168,084.16x = 231,949.37 × 91,601.63
  4. Step 4: Simplify right side
    168,084.16x = 21,246,941,613.26
  5. Step 5: Solve for x
    x = 21,246,941,613.26/168,084.16
  6. Step 6: Final answer
    x = 126,406.56

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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.