Home / 107,998.20-148,982.22-88,644.60

Finding the Fourth Proportional to 107,998.20, 148,982.22 and 88,644.60

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Solution

The fourth proportional to 107,998.20, 148,982.22 and 88,644.60 is: 122,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,998.20 : 148,982.22 = 88,644.60 : x
  2. Step 2: Convert to fraction form
    107,998.20/148,982.22 = 88,644.60/x
  3. Step 3: Cross multiply
    107,998.20x = 148,982.22 × 88,644.60
  4. Step 4: Simplify right side
    107,998.20x = 13,206,469,299.01
  5. Step 5: Solve for x
    x = 13,206,469,299.01/107,998.20
  6. Step 6: Final answer
    x = 122,284.16

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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.