Home / 123,200.85-184,824.06-38,982.21

Finding the Fourth Proportional to 123,200.85, 184,824.06 and 38,982.21

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Solution

The fourth proportional to 123,200.85, 184,824.06 and 38,982.21 is: 58,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,200.85 : 184,824.06 = 38,982.21 : x
  2. Step 2: Convert to fraction form
    123,200.85/184,824.06 = 38,982.21/x
  3. Step 3: Cross multiply
    123,200.85x = 184,824.06 × 38,982.21
  4. Step 4: Simplify right side
    123,200.85x = 7,204,850,739.61
  5. Step 5: Solve for x
    x = 7,204,850,739.61/123,200.85
  6. Step 6: Final answer
    x = 58,480.53

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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.