Home / 279,344.94-385,947.03-194,839.26

Finding the Fourth Proportional to 279,344.94, 385,947.03 and 194,839.26

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Solution

The fourth proportional to 279,344.94, 385,947.03 and 194,839.26 is: 269,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,344.94 : 385,947.03 = 194,839.26 : x
  2. Step 2: Convert to fraction form
    279,344.94/385,947.03 = 194,839.26/x
  3. Step 3: Cross multiply
    279,344.94x = 385,947.03 × 194,839.26
  4. Step 4: Simplify right side
    279,344.94x = 75,197,633,724.40
  5. Step 5: Solve for x
    x = 75,197,633,724.40/279,344.94
  6. Step 6: Final answer
    x = 269,192.75

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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.