Home / 198,110.27-273,392.15-112,067.41

Finding the Fourth Proportional to 198,110.27, 273,392.15 and 112,067.41

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Solution

The fourth proportional to 198,110.27, 273,392.15 and 112,067.41 is: 154,653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,110.27 : 273,392.15 = 112,067.41 : x
  2. Step 2: Convert to fraction form
    198,110.27/273,392.15 = 112,067.41/x
  3. Step 3: Cross multiply
    198,110.27x = 273,392.15 × 112,067.41
  4. Step 4: Simplify right side
    198,110.27x = 30,638,348,789.40
  5. Step 5: Solve for x
    x = 30,638,348,789.40/198,110.27
  6. Step 6: Final answer
    x = 154,653.01

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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.