Home / 145,198.82-217,806.42-51,704.58

Finding the Fourth Proportional to 145,198.82, 217,806.42 and 51,704.58

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Solution

The fourth proportional to 145,198.82, 217,806.42 and 51,704.58 is: 77,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,198.82 : 217,806.42 = 51,704.58 : x
  2. Step 2: Convert to fraction form
    145,198.82/217,806.42 = 51,704.58/x
  3. Step 3: Cross multiply
    145,198.82x = 217,806.42 × 51,704.58
  4. Step 4: Simplify right side
    145,198.82x = 11,261,589,467.40
  5. Step 5: Solve for x
    x = 11,261,589,467.40/145,198.82
  6. Step 6: Final answer
    x = 77,559.79

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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.