Home / 167,616.57-231,319.18-103,974.87

Finding the Fourth Proportional to 167,616.57, 231,319.18 and 103,974.87

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Solution

The fourth proportional to 167,616.57, 231,319.18 and 103,974.87 is: 143,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,616.57 : 231,319.18 = 103,974.87 : x
  2. Step 2: Convert to fraction form
    167,616.57/231,319.18 = 103,974.87/x
  3. Step 3: Cross multiply
    167,616.57x = 231,319.18 × 103,974.87
  4. Step 4: Simplify right side
    167,616.57x = 24,051,381,669.01
  5. Step 5: Solve for x
    x = 24,051,381,669.01/167,616.57
  6. Step 6: Final answer
    x = 143,490.48

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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.