Home / 198,141.97-273,465.93-126,569.66

Finding the Fourth Proportional to 198,141.97, 273,465.93 and 126,569.66

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Solution

The fourth proportional to 198,141.97, 273,465.93 and 126,569.66 is: 174,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,141.97 : 273,465.93 = 126,569.66 : x
  2. Step 2: Convert to fraction form
    198,141.97/273,465.93 = 126,569.66/x
  3. Step 3: Cross multiply
    198,141.97x = 273,465.93 × 126,569.66
  4. Step 4: Simplify right side
    198,141.97x = 34,612,489,781.68
  5. Step 5: Solve for x
    x = 34,612,489,781.68/198,141.97
  6. Step 6: Final answer
    x = 174,685.30

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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.