Home / 167,851.95-231,684.60-109,717.13

Finding the Fourth Proportional to 167,851.95, 231,684.60 and 109,717.13

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Solution

The fourth proportional to 167,851.95, 231,684.60 and 109,717.13 is: 151,441.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,851.95 : 231,684.60 = 109,717.13 : x
  2. Step 2: Convert to fraction form
    167,851.95/231,684.60 = 109,717.13/x
  3. Step 3: Cross multiply
    167,851.95x = 231,684.60 × 109,717.13
  4. Step 4: Simplify right side
    167,851.95x = 25,419,770,367.85
  5. Step 5: Solve for x
    x = 25,419,770,367.85/167,851.95
  6. Step 6: Final answer
    x = 151,441.62

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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.