Home / 199,261.74-274,977.66-108,618.51

Finding the Fourth Proportional to 199,261.74, 274,977.66 and 108,618.51

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Solution

The fourth proportional to 199,261.74, 274,977.66 and 108,618.51 is: 149,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,261.74 : 274,977.66 = 108,618.51 : x
  2. Step 2: Convert to fraction form
    199,261.74/274,977.66 = 108,618.51/x
  3. Step 3: Cross multiply
    199,261.74x = 274,977.66 × 108,618.51
  4. Step 4: Simplify right side
    199,261.74x = 29,867,663,712.49
  5. Step 5: Solve for x
    x = 29,867,663,712.49/199,261.74
  6. Step 6: Final answer
    x = 149,891.61

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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.