Home / 131,855.87-197,789.25-38,361.62

Finding the Fourth Proportional to 131,855.87, 197,789.25 and 38,361.62

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Solution

The fourth proportional to 131,855.87, 197,789.25 and 38,361.62 is: 57,544.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,855.87 : 197,789.25 = 38,361.62 : x
  2. Step 2: Convert to fraction form
    131,855.87/197,789.25 = 38,361.62/x
  3. Step 3: Cross multiply
    131,855.87x = 197,789.25 × 38,361.62
  4. Step 4: Simplify right side
    131,855.87x = 7,587,515,059.64
  5. Step 5: Solve for x
    x = 7,587,515,059.64/131,855.87
  6. Step 6: Final answer
    x = 57,544.01

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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.