Home / 135,796.88-203,742.84-52,749.20

Finding the Fourth Proportional to 135,796.88, 203,742.84 and 52,749.20

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Solution

The fourth proportional to 135,796.88, 203,742.84 and 52,749.20 is: 79,142.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,796.88 : 203,742.84 = 52,749.20 : x
  2. Step 2: Convert to fraction form
    135,796.88/203,742.84 = 52,749.20/x
  3. Step 3: Cross multiply
    135,796.88x = 203,742.84 × 52,749.20
  4. Step 4: Simplify right side
    135,796.88x = 10,747,271,815.73
  5. Step 5: Solve for x
    x = 10,747,271,815.73/135,796.88
  6. Step 6: Final answer
    x = 79,142.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.