Home / 204,940.49-306,831.12-108,658.37

Finding the Fourth Proportional to 204,940.49, 306,831.12 and 108,658.37

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Solution

The fourth proportional to 204,940.49, 306,831.12 and 108,658.37 is: 162,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,940.49 : 306,831.12 = 108,658.37 : x
  2. Step 2: Convert to fraction form
    204,940.49/306,831.12 = 108,658.37/x
  3. Step 3: Cross multiply
    204,940.49x = 306,831.12 × 108,658.37
  4. Step 4: Simplify right side
    204,940.49x = 33,339,767,830.32
  5. Step 5: Solve for x
    x = 33,339,767,830.32/204,940.49
  6. Step 6: Final answer
    x = 162,680.24

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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.