Home / 168,086.22-231,955.85-91,605.94

Finding the Fourth Proportional to 168,086.22, 231,955.85 and 91,605.94

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Solution

The fourth proportional to 168,086.22, 231,955.85 and 91,605.94 is: 126,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,086.22 : 231,955.85 = 91,605.94 : x
  2. Step 2: Convert to fraction form
    168,086.22/231,955.85 = 91,605.94/x
  3. Step 3: Cross multiply
    168,086.22x = 231,955.85 × 91,605.94
  4. Step 4: Simplify right side
    168,086.22x = 21,248,533,677.75
  5. Step 5: Solve for x
    x = 21,248,533,677.75/168,086.22
  6. Step 6: Final answer
    x = 126,414.49

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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.