Home / 203,878.44-281,350.57-111,999.26

Finding the Fourth Proportional to 203,878.44, 281,350.57 and 111,999.26

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Solution

The fourth proportional to 203,878.44, 281,350.57 and 111,999.26 is: 154,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,878.44 : 281,350.57 = 111,999.26 : x
  2. Step 2: Convert to fraction form
    203,878.44/281,350.57 = 111,999.26/x
  3. Step 3: Cross multiply
    203,878.44x = 281,350.57 × 111,999.26
  4. Step 4: Simplify right side
    203,878.44x = 31,511,055,640.58
  5. Step 5: Solve for x
    x = 31,511,055,640.58/203,878.44
  6. Step 6: Final answer
    x = 154,558.06

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1.5x scale

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.