Home / 203,872.23-281,347.16-111,995.39

Finding the Fourth Proportional to 203,872.23, 281,347.16 and 111,995.39

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Solution

The fourth proportional to 203,872.23, 281,347.16 and 111,995.39 is: 154,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,872.23 : 281,347.16 = 111,995.39 : x
  2. Step 2: Convert to fraction form
    203,872.23/281,347.16 = 111,995.39/x
  3. Step 3: Cross multiply
    203,872.23x = 281,347.16 × 111,995.39
  4. Step 4: Simplify right side
    203,872.23x = 31,509,582,942.88
  5. Step 5: Solve for x
    x = 31,509,582,942.88/203,872.23
  6. Step 6: Final answer
    x = 154,555.54

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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.