Home / 271,170.30-406,776.24-91,256.61

Finding the Fourth Proportional to 271,170.30, 406,776.24 and 91,256.61

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Solution

The fourth proportional to 271,170.30, 406,776.24 and 91,256.61 is: 136,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,170.30 : 406,776.24 = 91,256.61 : x
  2. Step 2: Convert to fraction form
    271,170.30/406,776.24 = 91,256.61/x
  3. Step 3: Cross multiply
    271,170.30x = 406,776.24 × 91,256.61
  4. Step 4: Simplify right side
    271,170.30x = 37,121,020,690.95
  5. Step 5: Solve for x
    x = 37,121,020,690.95/271,170.30
  6. Step 6: Final answer
    x = 136,891.91

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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.