Home / 168,013.24-231,857.34-91,532.18

Finding the Fourth Proportional to 168,013.24, 231,857.34 and 91,532.18

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Solution

The fourth proportional to 168,013.24, 231,857.34 and 91,532.18 is: 126,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,013.24 : 231,857.34 = 91,532.18 : x
  2. Step 2: Convert to fraction form
    168,013.24/231,857.34 = 91,532.18/x
  3. Step 3: Cross multiply
    168,013.24x = 231,857.34 × 91,532.18
  4. Step 4: Simplify right side
    168,013.24x = 21,222,406,711.40
  5. Step 5: Solve for x
    x = 21,222,406,711.40/168,013.24
  6. Step 6: Final answer
    x = 126,313.90

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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.