Home / 168,028.71-231,965.32-113,867.02

Finding the Fourth Proportional to 168,028.71, 231,965.32 and 113,867.02

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Solution

The fourth proportional to 168,028.71, 231,965.32 and 113,867.02 is: 157,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,028.71 : 231,965.32 = 113,867.02 : x
  2. Step 2: Convert to fraction form
    168,028.71/231,965.32 = 113,867.02/x
  3. Step 3: Cross multiply
    168,028.71x = 231,965.32 × 113,867.02
  4. Step 4: Simplify right side
    168,028.71x = 26,413,199,436.50
  5. Step 5: Solve for x
    x = 26,413,199,436.50/168,028.71
  6. Step 6: Final answer
    x = 157,194.56

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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.