Home / 165,786.82-248,485.46-76,853.14

Finding the Fourth Proportional to 165,786.82, 248,485.46 and 76,853.14

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Solution

The fourth proportional to 165,786.82, 248,485.46 and 76,853.14 is: 115,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,786.82 : 248,485.46 = 76,853.14 : x
  2. Step 2: Convert to fraction form
    165,786.82/248,485.46 = 76,853.14/x
  3. Step 3: Cross multiply
    165,786.82x = 248,485.46 × 76,853.14
  4. Step 4: Simplify right side
    165,786.82x = 19,096,886,839.87
  5. Step 5: Solve for x
    x = 19,096,886,839.87/165,786.82
  6. Step 6: Final answer
    x = 115,189.42

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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.