Home / 161,183.85-222,423.94-89,561.42

Finding the Fourth Proportional to 161,183.85, 222,423.94 and 89,561.42

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Solution

The fourth proportional to 161,183.85, 222,423.94 and 89,561.42 is: 123,589.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,183.85 : 222,423.94 = 89,561.42 : x
  2. Step 2: Convert to fraction form
    161,183.85/222,423.94 = 89,561.42/x
  3. Step 3: Cross multiply
    161,183.85x = 222,423.94 × 89,561.42
  4. Step 4: Simplify right side
    161,183.85x = 19,920,603,908.39
  5. Step 5: Solve for x
    x = 19,920,603,908.39/161,183.85
  6. Step 6: Final answer
    x = 123,589.33

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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.