Home / 165,028-227,738.92-89,576.52

Finding the Fourth Proportional to 165,028, 227,738.92 and 89,576.52

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Solution

The fourth proportional to 165,028, 227,738.92 and 89,576.52 is: 123,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,028 : 227,738.92 = 89,576.52 : x
  2. Step 2: Convert to fraction form
    165,028/227,738.92 = 89,576.52/x
  3. Step 3: Cross multiply
    165,028x = 227,738.92 × 89,576.52
  4. Step 4: Simplify right side
    165,028x = 20,400,059,922.16
  5. Step 5: Solve for x
    x = 20,400,059,922.16/165,028
  6. Step 6: Final answer
    x = 123,615.75

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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.