Home / 107,922.80-161,884.20-107,231.60

Finding the Fourth Proportional to 107,922.80, 161,884.20 and 107,231.60

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Solution

The fourth proportional to 107,922.80, 161,884.20 and 107,231.60 is: 160,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,922.80 : 161,884.20 = 107,231.60 : x
  2. Step 2: Convert to fraction form
    107,922.80/161,884.20 = 107,231.60/x
  3. Step 3: Cross multiply
    107,922.80x = 161,884.20 × 107,231.60
  4. Step 4: Simplify right side
    107,922.80x = 17,359,101,780.72
  5. Step 5: Solve for x
    x = 17,359,101,780.72/107,922.80
  6. Step 6: Final answer
    x = 160,847.40

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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.