Home / 251,179.11-346,625.73-136,456.82

Finding the Fourth Proportional to 251,179.11, 346,625.73 and 136,456.82

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Solution

The fourth proportional to 251,179.11, 346,625.73 and 136,456.82 is: 188,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,179.11 : 346,625.73 = 136,456.82 : x
  2. Step 2: Convert to fraction form
    251,179.11/346,625.73 = 136,456.82/x
  3. Step 3: Cross multiply
    251,179.11x = 346,625.73 × 136,456.82
  4. Step 4: Simplify right side
    251,179.11x = 47,299,444,412.70
  5. Step 5: Solve for x
    x = 47,299,444,412.70/251,179.11
  6. Step 6: Final answer
    x = 188,309.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.