Home / 266,422.26-399,791-98,060.83

Finding the Fourth Proportional to 266,422.26, 399,791 and 98,060.83

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Solution

The fourth proportional to 266,422.26, 399,791 and 98,060.83 is: 147,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,422.26 : 399,791 = 98,060.83 : x
  2. Step 2: Convert to fraction form
    266,422.26/399,791 = 98,060.83/x
  3. Step 3: Cross multiply
    266,422.26x = 399,791 × 98,060.83
  4. Step 4: Simplify right side
    266,422.26x = 39,203,837,286.53
  5. Step 5: Solve for x
    x = 39,203,837,286.53/266,422.26
  6. Step 6: Final answer
    x = 147,149.26

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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.