Home / 159,919.38-220,682.96-88,297.87

Finding the Fourth Proportional to 159,919.38, 220,682.96 and 88,297.87

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Solution

The fourth proportional to 159,919.38, 220,682.96 and 88,297.87 is: 121,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,919.38 : 220,682.96 = 88,297.87 : x
  2. Step 2: Convert to fraction form
    159,919.38/220,682.96 = 88,297.87/x
  3. Step 3: Cross multiply
    159,919.38x = 220,682.96 × 88,297.87
  4. Step 4: Simplify right side
    159,919.38x = 19,485,834,040.82
  5. Step 5: Solve for x
    x = 19,485,834,040.82/159,919.38
  6. Step 6: Final answer
    x = 121,847.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.