Home / 107,882.33-161,878.95-82,743.33

Finding the Fourth Proportional to 107,882.33, 161,878.95 and 82,743.33

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Solution

The fourth proportional to 107,882.33, 161,878.95 and 82,743.33 is: 124,157.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,882.33 : 161,878.95 = 82,743.33 : x
  2. Step 2: Convert to fraction form
    107,882.33/161,878.95 = 82,743.33/x
  3. Step 3: Cross multiply
    107,882.33x = 161,878.95 × 82,743.33
  4. Step 4: Simplify right side
    107,882.33x = 13,394,403,379.90
  5. Step 5: Solve for x
    x = 13,394,403,379.90/107,882.33
  6. Step 6: Final answer
    x = 124,157.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.