Home / 160,906.20-222,060.99-89,286.40

Finding the Fourth Proportional to 160,906.20, 222,060.99 and 89,286.40

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Solution

The fourth proportional to 160,906.20, 222,060.99 and 89,286.40 is: 123,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,906.20 : 222,060.99 = 89,286.40 : x
  2. Step 2: Convert to fraction form
    160,906.20/222,060.99 = 89,286.40/x
  3. Step 3: Cross multiply
    160,906.20x = 222,060.99 × 89,286.40
  4. Step 4: Simplify right side
    160,906.20x = 19,827,026,989.94
  5. Step 5: Solve for x
    x = 19,827,026,989.94/160,906.20
  6. Step 6: Final answer
    x = 123,221.03

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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.