Home / 254,553.30-351,299.43-141,375.78

Finding the Fourth Proportional to 254,553.30, 351,299.43 and 141,375.78

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Solution

The fourth proportional to 254,553.30, 351,299.43 and 141,375.78 is: 195,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,553.30 : 351,299.43 = 141,375.78 : x
  2. Step 2: Convert to fraction form
    254,553.30/351,299.43 = 141,375.78/x
  3. Step 3: Cross multiply
    254,553.30x = 351,299.43 × 141,375.78
  4. Step 4: Simplify right side
    254,553.30x = 49,665,230,929.81
  5. Step 5: Solve for x
    x = 49,665,230,929.81/254,553.30
  6. Step 6: Final answer
    x = 195,107.39

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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.