Home / 199,166.05-274,845.67-108,522.78

Finding the Fourth Proportional to 199,166.05, 274,845.67 and 108,522.78

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Solution

The fourth proportional to 199,166.05, 274,845.67 and 108,522.78 is: 149,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,166.05 : 274,845.67 = 108,522.78 : x
  2. Step 2: Convert to fraction form
    199,166.05/274,845.67 = 108,522.78/x
  3. Step 3: Cross multiply
    199,166.05x = 274,845.67 × 108,522.78
  4. Step 4: Simplify right side
    199,166.05x = 29,827,016,179.36
  5. Step 5: Solve for x
    x = 29,827,016,179.36/199,166.05
  6. Step 6: Final answer
    x = 149,759.54

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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.