Home / 266,206.03-398,096.20-198,785.41

Finding the Fourth Proportional to 266,206.03, 398,096.20 and 198,785.41

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Solution

The fourth proportional to 266,206.03, 398,096.20 and 198,785.41 is: 297,272.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,206.03 : 398,096.20 = 198,785.41 : x
  2. Step 2: Convert to fraction form
    266,206.03/398,096.20 = 198,785.41/x
  3. Step 3: Cross multiply
    266,206.03x = 398,096.20 × 198,785.41
  4. Step 4: Simplify right side
    266,206.03x = 79,135,715,589.68
  5. Step 5: Solve for x
    x = 79,135,715,589.68/266,206.03
  6. Step 6: Final answer
    x = 297,272.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.