Home / 165,710.88-248,540.67-90,867.96

Finding the Fourth Proportional to 165,710.88, 248,540.67 and 90,867.96

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Solution

The fourth proportional to 165,710.88, 248,540.67 and 90,867.96 is: 136,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,710.88 : 248,540.67 = 90,867.96 : x
  2. Step 2: Convert to fraction form
    165,710.88/248,540.67 = 90,867.96/x
  3. Step 3: Cross multiply
    165,710.88x = 248,540.67 × 90,867.96
  4. Step 4: Simplify right side
    165,710.88x = 22,584,383,659.93
  5. Step 5: Solve for x
    x = 22,584,383,659.93/165,710.88
  6. Step 6: Final answer
    x = 136,287.87

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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.