Home / 161,138.22-222,272.21-95,682.68

Finding the Fourth Proportional to 161,138.22, 222,272.21 and 95,682.68

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Solution

The fourth proportional to 161,138.22, 222,272.21 and 95,682.68 is: 131,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,138.22 : 222,272.21 = 95,682.68 : x
  2. Step 2: Convert to fraction form
    161,138.22/222,272.21 = 95,682.68/x
  3. Step 3: Cross multiply
    161,138.22x = 222,272.21 × 95,682.68
  4. Step 4: Simplify right side
    161,138.22x = 21,267,600,742.32
  5. Step 5: Solve for x
    x = 21,267,600,742.32/161,138.22
  6. Step 6: Final answer
    x = 131,983.59

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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.