Home / 168,068.09-231,942.62-92,616.59

Finding the Fourth Proportional to 168,068.09, 231,942.62 and 92,616.59

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Solution

The fourth proportional to 168,068.09, 231,942.62 and 92,616.59 is: 127,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,068.09 : 231,942.62 = 92,616.59 : x
  2. Step 2: Convert to fraction form
    168,068.09/231,942.62 = 92,616.59/x
  3. Step 3: Cross multiply
    168,068.09x = 231,942.62 × 92,616.59
  4. Step 4: Simplify right side
    168,068.09x = 21,481,734,540.07
  5. Step 5: Solve for x
    x = 21,481,734,540.07/168,068.09
  6. Step 6: Final answer
    x = 127,815.66

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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.