Home / 168,028.99-231,877.86-91,551.25

Finding the Fourth Proportional to 168,028.99, 231,877.86 and 91,551.25

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Solution

The fourth proportional to 168,028.99, 231,877.86 and 91,551.25 is: 126,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,028.99 : 231,877.86 = 91,551.25 : x
  2. Step 2: Convert to fraction form
    168,028.99/231,877.86 = 91,551.25/x
  3. Step 3: Cross multiply
    168,028.99x = 231,877.86 × 91,551.25
  4. Step 4: Simplify right side
    168,028.99x = 21,228,707,930.33
  5. Step 5: Solve for x
    x = 21,228,707,930.33/168,028.99
  6. Step 6: Final answer
    x = 126,339.56

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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.