Home / 203,821.78-281,264.67-113,183.52

Finding the Fourth Proportional to 203,821.78, 281,264.67 and 113,183.52

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Solution

The fourth proportional to 203,821.78, 281,264.67 and 113,183.52 is: 156,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,821.78 : 281,264.67 = 113,183.52 : x
  2. Step 2: Convert to fraction form
    203,821.78/281,264.67 = 113,183.52/x
  3. Step 3: Cross multiply
    203,821.78x = 281,264.67 × 113,183.52
  4. Step 4: Simplify right side
    203,821.78x = 31,834,525,402.24
  5. Step 5: Solve for x
    x = 31,834,525,402.24/203,821.78
  6. Step 6: Final answer
    x = 156,188.05

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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.