Home / 251,067.39-376,625.88-82,519.35

Finding the Fourth Proportional to 251,067.39, 376,625.88 and 82,519.35

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Solution

The fourth proportional to 251,067.39, 376,625.88 and 82,519.35 is: 123,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,067.39 : 376,625.88 = 82,519.35 : x
  2. Step 2: Convert to fraction form
    251,067.39/376,625.88 = 82,519.35/x
  3. Step 3: Cross multiply
    251,067.39x = 376,625.88 × 82,519.35
  4. Step 4: Simplify right side
    251,067.39x = 31,078,922,810.78
  5. Step 5: Solve for x
    x = 31,078,922,810.78/251,067.39
  6. Step 6: Final answer
    x = 123,787.17

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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.