Home / 167,851.20-231,634.05-92,399.70

Finding the Fourth Proportional to 167,851.20, 231,634.05 and 92,399.70

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Solution

The fourth proportional to 167,851.20, 231,634.05 and 92,399.70 is: 127,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,851.20 : 231,634.05 = 92,399.70 : x
  2. Step 2: Convert to fraction form
    167,851.20/231,634.05 = 92,399.70/x
  3. Step 3: Cross multiply
    167,851.20x = 231,634.05 × 92,399.70
  4. Step 4: Simplify right side
    167,851.20x = 21,402,916,729.79
  5. Step 5: Solve for x
    x = 21,402,916,729.79/167,851.20
  6. Step 6: Final answer
    x = 127,511.25

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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.