Home / 165,208.56-227,986.26-89,757.06

Finding the Fourth Proportional to 165,208.56, 227,986.26 and 89,757.06

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Solution

The fourth proportional to 165,208.56, 227,986.26 and 89,757.06 is: 123,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,208.56 : 227,986.26 = 89,757.06 : x
  2. Step 2: Convert to fraction form
    165,208.56/227,986.26 = 89,757.06/x
  3. Step 3: Cross multiply
    165,208.56x = 227,986.26 × 89,757.06
  4. Step 4: Simplify right side
    165,208.56x = 20,463,376,418.00
  5. Step 5: Solve for x
    x = 20,463,376,418.00/165,208.56
  6. Step 6: Final answer
    x = 123,863.90

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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.