Home / 149,928.49-206,881.32-96,286.11

Finding the Fourth Proportional to 149,928.49, 206,881.32 and 96,286.11

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Solution

The fourth proportional to 149,928.49, 206,881.32 and 96,286.11 is: 132,861.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,928.49 : 206,881.32 = 96,286.11 : x
  2. Step 2: Convert to fraction form
    149,928.49/206,881.32 = 96,286.11/x
  3. Step 3: Cross multiply
    149,928.49x = 206,881.32 × 96,286.11
  4. Step 4: Simplify right side
    149,928.49x = 19,919,797,534.47
  5. Step 5: Solve for x
    x = 19,919,797,534.47/149,928.49
  6. Step 6: Final answer
    x = 132,861.99

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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.