Home / 165,185.73-227,991.78-100,675.98

Finding the Fourth Proportional to 165,185.73, 227,991.78 and 100,675.98

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Solution

The fourth proportional to 165,185.73, 227,991.78 and 100,675.98 is: 138,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,185.73 : 227,991.78 = 100,675.98 : x
  2. Step 2: Convert to fraction form
    165,185.73/227,991.78 = 100,675.98/x
  3. Step 3: Cross multiply
    165,185.73x = 227,991.78 × 100,675.98
  4. Step 4: Simplify right side
    165,185.73x = 22,953,295,883.44
  5. Step 5: Solve for x
    x = 22,953,295,883.44/165,185.73
  6. Step 6: Final answer
    x = 138,954.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.