Home / 304,947.54-457,236.09-136,436.49

Finding the Fourth Proportional to 304,947.54, 457,236.09 and 136,436.49

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Solution

The fourth proportional to 304,947.54, 457,236.09 and 136,436.49 is: 204,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,947.54 : 457,236.09 = 136,436.49 : x
  2. Step 2: Convert to fraction form
    304,947.54/457,236.09 = 136,436.49/x
  3. Step 3: Cross multiply
    304,947.54x = 457,236.09 × 136,436.49
  4. Step 4: Simplify right side
    304,947.54x = 62,383,687,220.92
  5. Step 5: Solve for x
    x = 62,383,687,220.92/304,947.54
  6. Step 6: Final answer
    x = 204,571.87

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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.