Home / 161,249.33-222,518.40-88,651.70

Finding the Fourth Proportional to 161,249.33, 222,518.40 and 88,651.70

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Solution

The fourth proportional to 161,249.33, 222,518.40 and 88,651.70 is: 122,336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,249.33 : 222,518.40 = 88,651.70 : x
  2. Step 2: Convert to fraction form
    161,249.33/222,518.40 = 88,651.70/x
  3. Step 3: Cross multiply
    161,249.33x = 222,518.40 × 88,651.70
  4. Step 4: Simplify right side
    161,249.33x = 19,726,634,441.28
  5. Step 5: Solve for x
    x = 19,726,634,441.28/161,249.33
  6. Step 6: Final answer
    x = 122,336.23

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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.