Home / 133,845.68-200,768.88-45,161.48

Finding the Fourth Proportional to 133,845.68, 200,768.88 and 45,161.48

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Solution

The fourth proportional to 133,845.68, 200,768.88 and 45,161.48 is: 67,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,845.68 : 200,768.88 = 45,161.48 : x
  2. Step 2: Convert to fraction form
    133,845.68/200,768.88 = 45,161.48/x
  3. Step 3: Cross multiply
    133,845.68x = 200,768.88 × 45,161.48
  4. Step 4: Simplify right side
    133,845.68x = 9,067,019,758.74
  5. Step 5: Solve for x
    x = 9,067,019,758.74/133,845.68
  6. Step 6: Final answer
    x = 67,742.34

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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.