Home / 253,839.78-350,300.97-140,664.42

Finding the Fourth Proportional to 253,839.78, 350,300.97 and 140,664.42

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Solution

The fourth proportional to 253,839.78, 350,300.97 and 140,664.42 is: 194,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,839.78 : 350,300.97 = 140,664.42 : x
  2. Step 2: Convert to fraction form
    253,839.78/350,300.97 = 140,664.42/x
  3. Step 3: Cross multiply
    253,839.78x = 350,300.97 × 140,664.42
  4. Step 4: Simplify right side
    253,839.78x = 49,274,882,770.49
  5. Step 5: Solve for x
    x = 49,274,882,770.49/253,839.78
  6. Step 6: Final answer
    x = 194,118.05

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1.5x scale

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.