Home / 203,947.68-305,576.40-124,896.88

Finding the Fourth Proportional to 203,947.68, 305,576.40 and 124,896.88

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Solution

The fourth proportional to 203,947.68, 305,576.40 and 124,896.88 is: 187,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,947.68 : 305,576.40 = 124,896.88 : x
  2. Step 2: Convert to fraction form
    203,947.68/305,576.40 = 124,896.88/x
  3. Step 3: Cross multiply
    203,947.68x = 305,576.40 × 124,896.88
  4. Step 4: Simplify right side
    203,947.68x = 38,165,538,961.63
  5. Step 5: Solve for x
    x = 38,165,538,961.63/203,947.68
  6. Step 6: Final answer
    x = 187,133.97

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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.