Home / 161,019.26-222,197.91-89,394.68

Finding the Fourth Proportional to 161,019.26, 222,197.91 and 89,394.68

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Solution

The fourth proportional to 161,019.26, 222,197.91 and 89,394.68 is: 123,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,019.26 : 222,197.91 = 89,394.68 : x
  2. Step 2: Convert to fraction form
    161,019.26/222,197.91 = 89,394.68/x
  3. Step 3: Cross multiply
    161,019.26x = 222,197.91 × 89,394.68
  4. Step 4: Simplify right side
    161,019.26x = 19,863,311,061.12
  5. Step 5: Solve for x
    x = 19,863,311,061.12/161,019.26
  6. Step 6: Final answer
    x = 123,359.85

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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.