Home / 116,757.25-161,125.19-66,456.25

Finding the Fourth Proportional to 116,757.25, 161,125.19 and 66,456.25

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Solution

The fourth proportional to 116,757.25, 161,125.19 and 66,456.25 is: 91,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,757.25 : 161,125.19 = 66,456.25 : x
  2. Step 2: Convert to fraction form
    116,757.25/161,125.19 = 66,456.25/x
  3. Step 3: Cross multiply
    116,757.25x = 161,125.19 × 66,456.25
  4. Step 4: Simplify right side
    116,757.25x = 10,707,775,575.66
  5. Step 5: Solve for x
    x = 10,707,775,575.66/116,757.25
  6. Step 6: Final answer
    x = 91,709.73

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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.