Home / 161,199.15-222,450.39-89,577.33

Finding the Fourth Proportional to 161,199.15, 222,450.39 and 89,577.33

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Solution

The fourth proportional to 161,199.15, 222,450.39 and 89,577.33 is: 123,614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,199.15 : 222,450.39 = 89,577.33 : x
  2. Step 2: Convert to fraction form
    161,199.15/222,450.39 = 89,577.33/x
  3. Step 3: Cross multiply
    161,199.15x = 222,450.39 × 89,577.33
  4. Step 4: Simplify right side
    161,199.15x = 19,926,511,993.66
  5. Step 5: Solve for x
    x = 19,926,511,993.66/161,199.15
  6. Step 6: Final answer
    x = 123,614.25

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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.