Home / 165,769.87-248,654.58-76,974.82

Finding the Fourth Proportional to 165,769.87, 248,654.58 and 76,974.82

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Solution

The fourth proportional to 165,769.87, 248,654.58 and 76,974.82 is: 115,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,769.87 : 248,654.58 = 76,974.82 : x
  2. Step 2: Convert to fraction form
    165,769.87/248,654.58 = 76,974.82/x
  3. Step 3: Cross multiply
    165,769.87x = 248,654.58 × 76,974.82
  4. Step 4: Simplify right side
    165,769.87x = 19,140,141,537.68
  5. Step 5: Solve for x
    x = 19,140,141,537.68/165,769.87
  6. Step 6: Final answer
    x = 115,462.13

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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.