Home / 165,739.20-248,732.61-112,304.48

Finding the Fourth Proportional to 165,739.20, 248,732.61 and 112,304.48

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Solution

The fourth proportional to 165,739.20, 248,732.61 and 112,304.48 is: 168,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,739.20 : 248,732.61 = 112,304.48 : x
  2. Step 2: Convert to fraction form
    165,739.20/248,732.61 = 112,304.48/x
  3. Step 3: Cross multiply
    165,739.20x = 248,732.61 × 112,304.48
  4. Step 4: Simplify right side
    165,739.20x = 27,933,784,760.29
  5. Step 5: Solve for x
    x = 27,933,784,760.29/165,739.20
  6. Step 6: Final answer
    x = 168,540.61

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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.