Home / 266,126.24-399,121.20-79,094

Finding the Fourth Proportional to 266,126.24, 399,121.20 and 79,094

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Solution

The fourth proportional to 266,126.24, 399,121.20 and 79,094 is: 118,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,126.24 : 399,121.20 = 79,094 : x
  2. Step 2: Convert to fraction form
    266,126.24/399,121.20 = 79,094/x
  3. Step 3: Cross multiply
    266,126.24x = 399,121.20 × 79,094
  4. Step 4: Simplify right side
    266,126.24x = 31,568,092,192.80
  5. Step 5: Solve for x
    x = 31,568,092,192.80/266,126.24
  6. Step 6: Final answer
    x = 118,620.74

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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.