Home / 199,161.66-274,839.84-108,518.70

Finding the Fourth Proportional to 199,161.66, 274,839.84 and 108,518.70

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Solution

The fourth proportional to 199,161.66, 274,839.84 and 108,518.70 is: 149,754.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,161.66 : 274,839.84 = 108,518.70 : x
  2. Step 2: Convert to fraction form
    199,161.66/274,839.84 = 108,518.70/x
  3. Step 3: Cross multiply
    199,161.66x = 274,839.84 × 108,518.70
  4. Step 4: Simplify right side
    199,161.66x = 29,825,262,145.01
  5. Step 5: Solve for x
    x = 29,825,262,145.01/199,161.66
  6. Step 6: Final answer
    x = 149,754.03

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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.