Home / 199,251.38-274,998.57-122,815.46

Finding the Fourth Proportional to 199,251.38, 274,998.57 and 122,815.46

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Solution

The fourth proportional to 199,251.38, 274,998.57 and 122,815.46 is: 169,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,251.38 : 274,998.57 = 122,815.46 : x
  2. Step 2: Convert to fraction form
    199,251.38/274,998.57 = 122,815.46/x
  3. Step 3: Cross multiply
    199,251.38x = 274,998.57 × 122,815.46
  4. Step 4: Simplify right side
    199,251.38x = 33,774,075,873.89
  5. Step 5: Solve for x
    x = 33,774,075,873.89/199,251.38
  6. Step 6: Final answer
    x = 169,504.85

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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.