Home / 168,426.30-252,665.40-68,593.38

Finding the Fourth Proportional to 168,426.30, 252,665.40 and 68,593.38

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Solution

The fourth proportional to 168,426.30, 252,665.40 and 68,593.38 is: 102,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,426.30 : 252,665.40 = 68,593.38 : x
  2. Step 2: Convert to fraction form
    168,426.30/252,665.40 = 68,593.38/x
  3. Step 3: Cross multiply
    168,426.30x = 252,665.40 × 68,593.38
  4. Step 4: Simplify right side
    168,426.30x = 17,331,173,795.05
  5. Step 5: Solve for x
    x = 17,331,173,795.05/168,426.30
  6. Step 6: Final answer
    x = 102,900.64

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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.