Home / 161,016.84-222,192.96-89,396.85

Finding the Fourth Proportional to 161,016.84, 222,192.96 and 89,396.85

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Solution

The fourth proportional to 161,016.84, 222,192.96 and 89,396.85 is: 123,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,016.84 : 222,192.96 = 89,396.85 : x
  2. Step 2: Convert to fraction form
    161,016.84/222,192.96 = 89,396.85/x
  3. Step 3: Cross multiply
    161,016.84x = 222,192.96 × 89,396.85
  4. Step 4: Simplify right side
    161,016.84x = 19,863,350,716.18
  5. Step 5: Solve for x
    x = 19,863,350,716.18/161,016.84
  6. Step 6: Final answer
    x = 123,361.95

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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.