Home / 140,788.14-211,145.13-52,067.04

Finding the Fourth Proportional to 140,788.14, 211,145.13 and 52,067.04

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Solution

The fourth proportional to 140,788.14, 211,145.13 and 52,067.04 is: 78,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,788.14 : 211,145.13 = 52,067.04 : x
  2. Step 2: Convert to fraction form
    140,788.14/211,145.13 = 52,067.04/x
  3. Step 3: Cross multiply
    140,788.14x = 211,145.13 × 52,067.04
  4. Step 4: Simplify right side
    140,788.14x = 10,993,701,929.52
  5. Step 5: Solve for x
    x = 10,993,701,929.52/140,788.14
  6. Step 6: Final answer
    x = 78,086.85

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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.