Home / 356,122.98-491,431.05-194,947.16

Finding the Fourth Proportional to 356,122.98, 491,431.05 and 194,947.16

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Solution

The fourth proportional to 356,122.98, 491,431.05 and 194,947.16 is: 269,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,122.98 : 491,431.05 = 194,947.16 : x
  2. Step 2: Convert to fraction form
    356,122.98/491,431.05 = 194,947.16/x
  3. Step 3: Cross multiply
    356,122.98x = 491,431.05 × 194,947.16
  4. Step 4: Simplify right side
    356,122.98x = 95,803,085,076.16
  5. Step 5: Solve for x
    x = 95,803,085,076.16/356,122.98
  6. Step 6: Final answer
    x = 269,016.86

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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.