Home / 303,623.24-418,997.94-167,665.64

Finding the Fourth Proportional to 303,623.24, 418,997.94 and 167,665.64

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Solution

The fourth proportional to 303,623.24, 418,997.94 and 167,665.64 is: 231,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,623.24 : 418,997.94 = 167,665.64 : x
  2. Step 2: Convert to fraction form
    303,623.24/418,997.94 = 167,665.64/x
  3. Step 3: Cross multiply
    303,623.24x = 418,997.94 × 167,665.64
  4. Step 4: Simplify right side
    303,623.24x = 70,251,557,768.78
  5. Step 5: Solve for x
    x = 70,251,557,768.78/303,623.24
  6. Step 6: Final answer
    x = 231,377.41

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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.