Home / 347,921.87-481,098.49-276,177.33

Finding the Fourth Proportional to 347,921.87, 481,098.49 and 276,177.33

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Solution

The fourth proportional to 347,921.87, 481,098.49 and 276,177.33 is: 381,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,921.87 : 481,098.49 = 276,177.33 : x
  2. Step 2: Convert to fraction form
    347,921.87/481,098.49 = 276,177.33/x
  3. Step 3: Cross multiply
    347,921.87x = 481,098.49 × 276,177.33
  4. Step 4: Simplify right side
    347,921.87x = 132,868,495,744.79
  5. Step 5: Solve for x
    x = 132,868,495,744.79/347,921.87
  6. Step 6: Final answer
    x = 381,891.77

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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.