Home / 103,982.22-155,992.56-32,922.78

Finding the Fourth Proportional to 103,982.22, 155,992.56 and 32,922.78

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Solution

The fourth proportional to 103,982.22, 155,992.56 and 32,922.78 is: 49,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,982.22 : 155,992.56 = 32,922.78 : x
  2. Step 2: Convert to fraction form
    103,982.22/155,992.56 = 32,922.78/x
  3. Step 3: Cross multiply
    103,982.22x = 155,992.56 × 32,922.78
  4. Step 4: Simplify right side
    103,982.22x = 5,135,708,734.52
  5. Step 5: Solve for x
    x = 5,135,708,734.52/103,982.22
  6. Step 6: Final answer
    x = 49,390.26

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1.5x scale

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.