Home / 161,361.54-222,677.37-89,738.10

Finding the Fourth Proportional to 161,361.54, 222,677.37 and 89,738.10

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Solution

The fourth proportional to 161,361.54, 222,677.37 and 89,738.10 is: 123,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,361.54 : 222,677.37 = 89,738.10 : x
  2. Step 2: Convert to fraction form
    161,361.54/222,677.37 = 89,738.10/x
  3. Step 3: Cross multiply
    161,361.54x = 222,677.37 × 89,738.10
  4. Step 4: Simplify right side
    161,361.54x = 19,982,644,096.80
  5. Step 5: Solve for x
    x = 19,982,644,096.80/161,361.54
  6. Step 6: Final answer
    x = 123,837.71

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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.