Home / 107,825.20-161,766.60-96,218.80

Finding the Fourth Proportional to 107,825.20, 161,766.60 and 96,218.80

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Solution

The fourth proportional to 107,825.20, 161,766.60 and 96,218.80 is: 144,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,825.20 : 161,766.60 = 96,218.80 : x
  2. Step 2: Convert to fraction form
    107,825.20/161,766.60 = 96,218.80/x
  3. Step 3: Cross multiply
    107,825.20x = 161,766.60 × 96,218.80
  4. Step 4: Simplify right side
    107,825.20x = 15,564,988,132.08
  5. Step 5: Solve for x
    x = 15,564,988,132.08/107,825.20
  6. Step 6: Final answer
    x = 144,353.90

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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.