Home / 198,950.38-274,579.31-127,482.66

Finding the Fourth Proportional to 198,950.38, 274,579.31 and 127,482.66

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Solution

The fourth proportional to 198,950.38, 274,579.31 and 127,482.66 is: 175,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,950.38 : 274,579.31 = 127,482.66 : x
  2. Step 2: Convert to fraction form
    198,950.38/274,579.31 = 127,482.66/x
  3. Step 3: Cross multiply
    198,950.38x = 274,579.31 × 127,482.66
  4. Step 4: Simplify right side
    198,950.38x = 35,004,100,819.76
  5. Step 5: Solve for x
    x = 35,004,100,819.76/198,950.38
  6. Step 6: Final answer
    x = 175,943.88

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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.