Home / 271,974.22-407,707.68-91,934.38

Finding the Fourth Proportional to 271,974.22, 407,707.68 and 91,934.38

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Solution

The fourth proportional to 271,974.22, 407,707.68 and 91,934.38 is: 137,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,974.22 : 407,707.68 = 91,934.38 : x
  2. Step 2: Convert to fraction form
    271,974.22/407,707.68 = 91,934.38/x
  3. Step 3: Cross multiply
    271,974.22x = 407,707.68 × 91,934.38
  4. Step 4: Simplify right side
    271,974.22x = 37,482,352,782.04
  5. Step 5: Solve for x
    x = 37,482,352,782.04/271,974.22
  6. Step 6: Final answer
    x = 137,815.83

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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.