Home / 199,108.28-274,766.25-108,465.33

Finding the Fourth Proportional to 199,108.28, 274,766.25 and 108,465.33

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Solution

The fourth proportional to 199,108.28, 274,766.25 and 108,465.33 is: 149,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,108.28 : 274,766.25 = 108,465.33 : x
  2. Step 2: Convert to fraction form
    199,108.28/274,766.25 = 108,465.33/x
  3. Step 3: Cross multiply
    199,108.28x = 274,766.25 × 108,465.33
  4. Step 4: Simplify right side
    199,108.28x = 29,802,611,565.61
  5. Step 5: Solve for x
    x = 29,802,611,565.61/199,108.28
  6. Step 6: Final answer
    x = 149,680.43

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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.