Home / 161,023.33-222,219.14-89,403.35

Finding the Fourth Proportional to 161,023.33, 222,219.14 and 89,403.35

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Solution

The fourth proportional to 161,023.33, 222,219.14 and 89,403.35 is: 123,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,023.33 : 222,219.14 = 89,403.35 : x
  2. Step 2: Convert to fraction form
    161,023.33/222,219.14 = 89,403.35/x
  3. Step 3: Cross multiply
    161,023.33x = 222,219.14 × 89,403.35
  4. Step 4: Simplify right side
    161,023.33x = 19,867,135,550.12
  5. Step 5: Solve for x
    x = 19,867,135,550.12/161,023.33
  6. Step 6: Final answer
    x = 123,380.48

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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.