Home / 161,516.88-222,901.20-97,860.60

Finding the Fourth Proportional to 161,516.88, 222,901.20 and 97,860.60

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Solution

The fourth proportional to 161,516.88, 222,901.20 and 97,860.60 is: 135,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,516.88 : 222,901.20 = 97,860.60 : x
  2. Step 2: Convert to fraction form
    161,516.88/222,901.20 = 97,860.60/x
  3. Step 3: Cross multiply
    161,516.88x = 222,901.20 × 97,860.60
  4. Step 4: Simplify right side
    161,516.88x = 21,813,245,172.72
  5. Step 5: Solve for x
    x = 21,813,245,172.72/161,516.88
  6. Step 6: Final answer
    x = 135,052.42

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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.