Home / 161,308.44-222,604.89-89,684.19

Finding the Fourth Proportional to 161,308.44, 222,604.89 and 89,684.19

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Solution

The fourth proportional to 161,308.44, 222,604.89 and 89,684.19 is: 123,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,308.44 : 222,604.89 = 89,684.19 : x
  2. Step 2: Convert to fraction form
    161,308.44/222,604.89 = 89,684.19/x
  3. Step 3: Cross multiply
    161,308.44x = 222,604.89 × 89,684.19
  4. Step 4: Simplify right side
    161,308.44x = 19,964,139,249.69
  5. Step 5: Solve for x
    x = 19,964,139,249.69/161,308.44
  6. Step 6: Final answer
    x = 123,763.76

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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.