Home / 107,539.33-161,187.33-54,146.44

Finding the Fourth Proportional to 107,539.33, 161,187.33 and 54,146.44

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Solution

The fourth proportional to 107,539.33, 161,187.33 and 54,146.44 is: 81,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,539.33 : 161,187.33 = 54,146.44 : x
  2. Step 2: Convert to fraction form
    107,539.33/161,187.33 = 54,146.44/x
  3. Step 3: Cross multiply
    107,539.33x = 161,187.33 × 54,146.44
  4. Step 4: Simplify right side
    107,539.33x = 8,727,720,092.61
  5. Step 5: Solve for x
    x = 8,727,720,092.61/107,539.33
  6. Step 6: Final answer
    x = 81,158.40

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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.