Home / 131,511.44-197,268.60-38,018

Finding the Fourth Proportional to 131,511.44, 197,268.60 and 38,018

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Solution

The fourth proportional to 131,511.44, 197,268.60 and 38,018 is: 57,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,511.44 : 197,268.60 = 38,018 : x
  2. Step 2: Convert to fraction form
    131,511.44/197,268.60 = 38,018/x
  3. Step 3: Cross multiply
    131,511.44x = 197,268.60 × 38,018
  4. Step 4: Simplify right side
    131,511.44x = 7,499,757,634.80
  5. Step 5: Solve for x
    x = 7,499,757,634.80/131,511.44
  6. Step 6: Final answer
    x = 57,027.42

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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.