Home / 165,906.20-248,859.30-102,776.60

Finding the Fourth Proportional to 165,906.20, 248,859.30 and 102,776.60

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Solution

The fourth proportional to 165,906.20, 248,859.30 and 102,776.60 is: 154,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,906.20 : 248,859.30 = 102,776.60 : x
  2. Step 2: Convert to fraction form
    165,906.20/248,859.30 = 102,776.60/x
  3. Step 3: Cross multiply
    165,906.20x = 248,859.30 × 102,776.60
  4. Step 4: Simplify right side
    165,906.20x = 25,576,912,732.38
  5. Step 5: Solve for x
    x = 25,576,912,732.38/165,906.20
  6. Step 6: Final answer
    x = 154,164.90

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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.