Home / 161,200.15-222,451.77-89,578.33

Finding the Fourth Proportional to 161,200.15, 222,451.77 and 89,578.33

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Solution

The fourth proportional to 161,200.15, 222,451.77 and 89,578.33 is: 123,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,200.15 : 222,451.77 = 89,578.33 : x
  2. Step 2: Convert to fraction form
    161,200.15/222,451.77 = 89,578.33/x
  3. Step 3: Cross multiply
    161,200.15x = 222,451.77 × 89,578.33
  4. Step 4: Simplify right side
    161,200.15x = 19,926,858,062.14
  5. Step 5: Solve for x
    x = 19,926,858,062.14/161,200.15
  6. Step 6: Final answer
    x = 123,615.63

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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.