Home / 107,998.20-161,997.30-37,884.60

Finding the Fourth Proportional to 107,998.20, 161,997.30 and 37,884.60

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Solution

The fourth proportional to 107,998.20, 161,997.30 and 37,884.60 is: 56,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,998.20 : 161,997.30 = 37,884.60 : x
  2. Step 2: Convert to fraction form
    107,998.20/161,997.30 = 37,884.60/x
  3. Step 3: Cross multiply
    107,998.20x = 161,997.30 × 37,884.60
  4. Step 4: Simplify right side
    107,998.20x = 6,137,202,911.58
  5. Step 5: Solve for x
    x = 6,137,202,911.58/107,998.20
  6. Step 6: Final answer
    x = 56,826.90

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1.5x scale

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.