Home / 205,936.82-284,179.42-115,292.06

Finding the Fourth Proportional to 205,936.82, 284,179.42 and 115,292.06

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Solution

The fourth proportional to 205,936.82, 284,179.42 and 115,292.06 is: 159,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,936.82 : 284,179.42 = 115,292.06 : x
  2. Step 2: Convert to fraction form
    205,936.82/284,179.42 = 115,292.06/x
  3. Step 3: Cross multiply
    205,936.82x = 284,179.42 × 115,292.06
  4. Step 4: Simplify right side
    205,936.82x = 32,763,630,741.41
  5. Step 5: Solve for x
    x = 32,763,630,741.41/205,936.82
  6. Step 6: Final answer
    x = 159,095.55

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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.