Home / 277,221.20-382,536.81-204,662.61

Finding the Fourth Proportional to 277,221.20, 382,536.81 and 204,662.61

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Solution

The fourth proportional to 277,221.20, 382,536.81 and 204,662.61 is: 282,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,221.20 : 382,536.81 = 204,662.61 : x
  2. Step 2: Convert to fraction form
    277,221.20/382,536.81 = 204,662.61/x
  3. Step 3: Cross multiply
    277,221.20x = 382,536.81 × 204,662.61
  4. Step 4: Simplify right side
    277,221.20x = 78,290,981,955.67
  5. Step 5: Solve for x
    x = 78,290,981,955.67/277,221.20
  6. Step 6: Final answer
    x = 282,413.41

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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.