Home / 123,272.20-184,616.70-83,614.60

Finding the Fourth Proportional to 123,272.20, 184,616.70 and 83,614.60

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Solution

The fourth proportional to 123,272.20, 184,616.70 and 83,614.60 is: 125,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,272.20 : 184,616.70 = 83,614.60 : x
  2. Step 2: Convert to fraction form
    123,272.20/184,616.70 = 83,614.60/x
  3. Step 3: Cross multiply
    123,272.20x = 184,616.70 × 83,614.60
  4. Step 4: Simplify right side
    123,272.20x = 15,436,651,523.82
  5. Step 5: Solve for x
    x = 15,436,651,523.82/123,272.20
  6. Step 6: Final answer
    x = 125,224.11

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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.