Home / 203,796.88-281,246.85-113,154.23

Finding the Fourth Proportional to 203,796.88, 281,246.85 and 113,154.23

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Solution

The fourth proportional to 203,796.88, 281,246.85 and 113,154.23 is: 156,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,796.88 : 281,246.85 = 113,154.23 : x
  2. Step 2: Convert to fraction form
    203,796.88/281,246.85 = 113,154.23/x
  3. Step 3: Cross multiply
    203,796.88x = 281,246.85 × 113,154.23
  4. Step 4: Simplify right side
    203,796.88x = 31,824,271,454.79
  5. Step 5: Solve for x
    x = 31,824,271,454.79/203,796.88
  6. Step 6: Final answer
    x = 156,156.82

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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.