Home / 178,949.80-268,227.88-73,711.36

Finding the Fourth Proportional to 178,949.80, 268,227.88 and 73,711.36

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Solution

The fourth proportional to 178,949.80, 268,227.88 and 73,711.36 is: 110,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,949.80 : 268,227.88 = 73,711.36 : x
  2. Step 2: Convert to fraction form
    178,949.80/268,227.88 = 73,711.36/x
  3. Step 3: Cross multiply
    178,949.80x = 268,227.88 × 73,711.36
  4. Step 4: Simplify right side
    178,949.80x = 19,771,441,824.72
  5. Step 5: Solve for x
    x = 19,771,441,824.72/178,949.80
  6. Step 6: Final answer
    x = 110,485.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.