Home / 161,517.88-222,902.58-97,861.60

Finding the Fourth Proportional to 161,517.88, 222,902.58 and 97,861.60

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Solution

The fourth proportional to 161,517.88, 222,902.58 and 97,861.60 is: 135,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,517.88 : 222,902.58 = 97,861.60 : x
  2. Step 2: Convert to fraction form
    161,517.88/222,902.58 = 97,861.60/x
  3. Step 3: Cross multiply
    161,517.88x = 222,902.58 × 97,861.60
  4. Step 4: Simplify right side
    161,517.88x = 21,813,603,122.93
  5. Step 5: Solve for x
    x = 21,813,603,122.93/161,517.88
  6. Step 6: Final answer
    x = 135,053.80

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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.