Home / 178,836.50-268,257.49-45,713.81

Finding the Fourth Proportional to 178,836.50, 268,257.49 and 45,713.81

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Solution

The fourth proportional to 178,836.50, 268,257.49 and 45,713.81 is: 68,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,836.50 : 268,257.49 = 45,713.81 : x
  2. Step 2: Convert to fraction form
    178,836.50/268,257.49 = 45,713.81/x
  3. Step 3: Cross multiply
    178,836.50x = 268,257.49 × 45,713.81
  4. Step 4: Simplify right side
    178,836.50x = 12,263,072,485.30
  5. Step 5: Solve for x
    x = 12,263,072,485.30/178,836.50
  6. Step 6: Final answer
    x = 68,571.42

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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.