Home / 161,180.92-222,419.46-89,556.76

Finding the Fourth Proportional to 161,180.92, 222,419.46 and 89,556.76

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Solution

The fourth proportional to 161,180.92, 222,419.46 and 89,556.76 is: 123,582.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,180.92 : 222,419.46 = 89,556.76 : x
  2. Step 2: Convert to fraction form
    161,180.92/222,419.46 = 89,556.76/x
  3. Step 3: Cross multiply
    161,180.92x = 222,419.46 × 89,556.76
  4. Step 4: Simplify right side
    161,180.92x = 19,919,166,198.55
  5. Step 5: Solve for x
    x = 19,919,166,198.55/161,180.92
  6. Step 6: Final answer
    x = 123,582.66

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1.5x scale

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.