Home / 205,640.94-283,782.17-114,995.66

Finding the Fourth Proportional to 205,640.94, 283,782.17 and 114,995.66

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Solution

The fourth proportional to 205,640.94, 283,782.17 and 114,995.66 is: 158,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,640.94 : 283,782.17 = 114,995.66 : x
  2. Step 2: Convert to fraction form
    205,640.94/283,782.17 = 114,995.66/x
  3. Step 3: Cross multiply
    205,640.94x = 283,782.17 × 114,995.66
  4. Step 4: Simplify right side
    205,640.94x = 32,633,717,935.38
  5. Step 5: Solve for x
    x = 32,633,717,935.38/205,640.94
  6. Step 6: Final answer
    x = 158,692.71

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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.