Home / 167,629.57-231,337.22-103,987.87

Finding the Fourth Proportional to 167,629.57, 231,337.22 and 103,987.87

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Solution

The fourth proportional to 167,629.57, 231,337.22 and 103,987.87 is: 143,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,629.57 : 231,337.22 = 103,987.87 : x
  2. Step 2: Convert to fraction form
    167,629.57/231,337.22 = 103,987.87/x
  3. Step 3: Cross multiply
    167,629.57x = 231,337.22 × 103,987.87
  4. Step 4: Simplify right side
    167,629.57x = 24,056,263,661.24
  5. Step 5: Solve for x
    x = 24,056,263,661.24/167,629.57
  6. Step 6: Final answer
    x = 143,508.48

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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.