Home / 116,906.90-161,331.48-63,191.88

Finding the Fourth Proportional to 116,906.90, 161,331.48 and 63,191.88

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Solution

The fourth proportional to 116,906.90, 161,331.48 and 63,191.88 is: 87,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,906.90 : 161,331.48 = 63,191.88 : x
  2. Step 2: Convert to fraction form
    116,906.90/161,331.48 = 63,191.88/x
  3. Step 3: Cross multiply
    116,906.90x = 161,331.48 × 63,191.88
  4. Step 4: Simplify right side
    116,906.90x = 10,194,839,524.38
  5. Step 5: Solve for x
    x = 10,194,839,524.38/116,906.90
  6. Step 6: Final answer
    x = 87,204.78

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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.