Home / 193,408.51-266,906.19-108,523.75

Finding the Fourth Proportional to 193,408.51, 266,906.19 and 108,523.75

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Solution

The fourth proportional to 193,408.51, 266,906.19 and 108,523.75 is: 149,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,408.51 : 266,906.19 = 108,523.75 : x
  2. Step 2: Convert to fraction form
    193,408.51/266,906.19 = 108,523.75/x
  3. Step 3: Cross multiply
    193,408.51x = 266,906.19 × 108,523.75
  4. Step 4: Simplify right side
    193,408.51x = 28,965,660,637.01
  5. Step 5: Solve for x
    x = 28,965,660,637.01/193,408.51
  6. Step 6: Final answer
    x = 149,764.15

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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.