Home / 145,198.50-217,805.96-51,704.26

Finding the Fourth Proportional to 145,198.50, 217,805.96 and 51,704.26

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Solution

The fourth proportional to 145,198.50, 217,805.96 and 51,704.26 is: 77,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,198.50 : 217,805.96 = 51,704.26 : x
  2. Step 2: Convert to fraction form
    145,198.50/217,805.96 = 51,704.26/x
  3. Step 3: Cross multiply
    145,198.50x = 217,805.96 × 51,704.26
  4. Step 4: Simplify right side
    145,198.50x = 11,261,495,985.39
  5. Step 5: Solve for x
    x = 11,261,495,985.39/145,198.50
  6. Step 6: Final answer
    x = 77,559.31

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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.