Home / 132,858.82-199,383-73,741.78

Finding the Fourth Proportional to 132,858.82, 199,383 and 73,741.78

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Solution

The fourth proportional to 132,858.82, 199,383 and 73,741.78 is: 110,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,858.82 : 199,383 = 73,741.78 : x
  2. Step 2: Convert to fraction form
    132,858.82/199,383 = 73,741.78/x
  3. Step 3: Cross multiply
    132,858.82x = 199,383 × 73,741.78
  4. Step 4: Simplify right side
    132,858.82x = 14,702,857,321.74
  5. Step 5: Solve for x
    x = 14,702,857,321.74/132,858.82
  6. Step 6: Final answer
    x = 110,665.27

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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.