Home / 167,987.04-231,806.64-92,517.60

Finding the Fourth Proportional to 167,987.04, 231,806.64 and 92,517.60

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Solution

The fourth proportional to 167,987.04, 231,806.64 and 92,517.60 is: 127,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,987.04 : 231,806.64 = 92,517.60 : x
  2. Step 2: Convert to fraction form
    167,987.04/231,806.64 = 92,517.60/x
  3. Step 3: Cross multiply
    167,987.04x = 231,806.64 × 92,517.60
  4. Step 4: Simplify right side
    167,987.04x = 21,446,193,996.86
  5. Step 5: Solve for x
    x = 21,446,193,996.86/167,987.04
  6. Step 6: Final answer
    x = 127,665.77

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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.