Home / 277,722.11-383,148-161,416.25

Finding the Fourth Proportional to 277,722.11, 383,148 and 161,416.25

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Solution

The fourth proportional to 277,722.11, 383,148 and 161,416.25 is: 222,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,722.11 : 383,148 = 161,416.25 : x
  2. Step 2: Convert to fraction form
    277,722.11/383,148 = 161,416.25/x
  3. Step 3: Cross multiply
    277,722.11x = 383,148 × 161,416.25
  4. Step 4: Simplify right side
    277,722.11x = 61,846,313,355
  5. Step 5: Solve for x
    x = 61,846,313,355/277,722.11
  6. Step 6: Final answer
    x = 222,691.36

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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.