Home / 168,071.26-252,101.78-68,229.04

Finding the Fourth Proportional to 168,071.26, 252,101.78 and 68,229.04

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Solution

The fourth proportional to 168,071.26, 252,101.78 and 68,229.04 is: 102,341.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,071.26 : 252,101.78 = 68,229.04 : x
  2. Step 2: Convert to fraction form
    168,071.26/252,101.78 = 68,229.04/x
  3. Step 3: Cross multiply
    168,071.26x = 252,101.78 × 68,229.04
  4. Step 4: Simplify right side
    168,071.26x = 17,200,662,431.69
  5. Step 5: Solve for x
    x = 17,200,662,431.69/168,071.26
  6. Step 6: Final answer
    x = 102,341.49

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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.