Home / 204,221.86-281,821.27-111,085.22

Finding the Fourth Proportional to 204,221.86, 281,821.27 and 111,085.22

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Solution

The fourth proportional to 204,221.86, 281,821.27 and 111,085.22 is: 153,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,221.86 : 281,821.27 = 111,085.22 : x
  2. Step 2: Convert to fraction form
    204,221.86/281,821.27 = 111,085.22/x
  3. Step 3: Cross multiply
    204,221.86x = 281,821.27 × 111,085.22
  4. Step 4: Simplify right side
    204,221.86x = 31,306,177,778.63
  5. Step 5: Solve for x
    x = 31,306,177,778.63/204,221.86
  6. Step 6: Final answer
    x = 153,294.94

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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.