Home / 167,687.04-231,504-111,175.20

Finding the Fourth Proportional to 167,687.04, 231,504 and 111,175.20

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Solution

The fourth proportional to 167,687.04, 231,504 and 111,175.20 is: 153,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,687.04 : 231,504 = 111,175.20 : x
  2. Step 2: Convert to fraction form
    167,687.04/231,504 = 111,175.20/x
  3. Step 3: Cross multiply
    167,687.04x = 231,504 × 111,175.20
  4. Step 4: Simplify right side
    167,687.04x = 25,737,503,500.80
  5. Step 5: Solve for x
    x = 25,737,503,500.80/167,687.04
  6. Step 6: Final answer
    x = 153,485.35

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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.