Home / 199,093.20-274,728.69-122,600.04

Finding the Fourth Proportional to 199,093.20, 274,728.69 and 122,600.04

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Solution

The fourth proportional to 199,093.20, 274,728.69 and 122,600.04 is: 169,175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,093.20 : 274,728.69 = 122,600.04 : x
  2. Step 2: Convert to fraction form
    199,093.20/274,728.69 = 122,600.04/x
  3. Step 3: Cross multiply
    199,093.20x = 274,728.69 × 122,600.04
  4. Step 4: Simplify right side
    199,093.20x = 33,681,748,383.15
  5. Step 5: Solve for x
    x = 33,681,748,383.15/199,093.20
  6. Step 6: Final answer
    x = 169,175.78

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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.