Home / 356,112.23-491,436.30-194,982.26

Finding the Fourth Proportional to 356,112.23, 491,436.30 and 194,982.26

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Solution

The fourth proportional to 356,112.23, 491,436.30 and 194,982.26 is: 269,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,112.23 : 491,436.30 = 194,982.26 : x
  2. Step 2: Convert to fraction form
    356,112.23/491,436.30 = 194,982.26/x
  3. Step 3: Cross multiply
    356,112.23x = 491,436.30 × 194,982.26
  4. Step 4: Simplify right side
    356,112.23x = 95,821,357,962.86
  5. Step 5: Solve for x
    x = 95,821,357,962.86/356,112.23
  6. Step 6: Final answer
    x = 269,076.29

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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.