Home / 135,786.42-203,689.62-35,945.94

Finding the Fourth Proportional to 135,786.42, 203,689.62 and 35,945.94

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Solution

The fourth proportional to 135,786.42, 203,689.62 and 35,945.94 is: 53,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,786.42 : 203,689.62 = 35,945.94 : x
  2. Step 2: Convert to fraction form
    135,786.42/203,689.62 = 35,945.94/x
  3. Step 3: Cross multiply
    135,786.42x = 203,689.62 × 35,945.94
  4. Step 4: Simplify right side
    135,786.42x = 7,321,814,859.14
  5. Step 5: Solve for x
    x = 7,321,814,859.14/135,786.42
  6. Step 6: Final answer
    x = 53,921.55

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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.