Home / 267,789.20-401,682.06-68,107.86

Finding the Fourth Proportional to 267,789.20, 401,682.06 and 68,107.86

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Solution

The fourth proportional to 267,789.20, 401,682.06 and 68,107.86 is: 102,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,789.20 : 401,682.06 = 68,107.86 : x
  2. Step 2: Convert to fraction form
    267,789.20/401,682.06 = 68,107.86/x
  3. Step 3: Cross multiply
    267,789.20x = 401,682.06 × 68,107.86
  4. Step 4: Simplify right side
    267,789.20x = 27,357,705,506.99
  5. Step 5: Solve for x
    x = 27,357,705,506.99/267,789.20
  6. Step 6: Final answer
    x = 102,161.35

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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.