Home / 168,561.69-252,694.09-68,805.73

Finding the Fourth Proportional to 168,561.69, 252,694.09 and 68,805.73

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Solution

The fourth proportional to 168,561.69, 252,694.09 and 68,805.73 is: 103,148.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,561.69 : 252,694.09 = 68,805.73 : x
  2. Step 2: Convert to fraction form
    168,561.69/252,694.09 = 68,805.73/x
  3. Step 3: Cross multiply
    168,561.69x = 252,694.09 × 68,805.73
  4. Step 4: Simplify right side
    168,561.69x = 17,386,801,329.14
  5. Step 5: Solve for x
    x = 17,386,801,329.14/168,561.69
  6. Step 6: Final answer
    x = 103,148.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.