Home / 203,922.72-281,405.34-113,284.44

Finding the Fourth Proportional to 203,922.72, 281,405.34 and 113,284.44

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Solution

The fourth proportional to 203,922.72, 281,405.34 and 113,284.44 is: 156,328.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,922.72 : 281,405.34 = 113,284.44 : x
  2. Step 2: Convert to fraction form
    203,922.72/281,405.34 = 113,284.44/x
  3. Step 3: Cross multiply
    203,922.72x = 281,405.34 × 113,284.44
  4. Step 4: Simplify right side
    203,922.72x = 31,878,846,354.91
  5. Step 5: Solve for x
    x = 31,878,846,354.91/203,922.72
  6. Step 6: Final answer
    x = 156,328.08

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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.