Home / 356,018.98-491,306.73-194,884.23

Finding the Fourth Proportional to 356,018.98, 491,306.73 and 194,884.23

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Solution

The fourth proportional to 356,018.98, 491,306.73 and 194,884.23 is: 268,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,018.98 : 491,306.73 = 194,884.23 : x
  2. Step 2: Convert to fraction form
    356,018.98/491,306.73 = 194,884.23/x
  3. Step 3: Cross multiply
    356,018.98x = 491,306.73 × 194,884.23
  4. Step 4: Simplify right side
    356,018.98x = 95,747,933,769.87
  5. Step 5: Solve for x
    x = 95,747,933,769.87/356,018.98
  6. Step 6: Final answer
    x = 268,940.53

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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.