Home / 165,786.30-248,679.45-54,963.90

Finding the Fourth Proportional to 165,786.30, 248,679.45 and 54,963.90

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Solution

The fourth proportional to 165,786.30, 248,679.45 and 54,963.90 is: 82,445.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,786.30 : 248,679.45 = 54,963.90 : x
  2. Step 2: Convert to fraction form
    165,786.30/248,679.45 = 54,963.90/x
  3. Step 3: Cross multiply
    165,786.30x = 248,679.45 × 54,963.90
  4. Step 4: Simplify right side
    165,786.30x = 13,668,392,421.86
  5. Step 5: Solve for x
    x = 13,668,392,421.86/165,786.30
  6. Step 6: Final answer
    x = 82,445.85

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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.