Home / 193,234.75-289,847.76-66,867.37

Finding the Fourth Proportional to 193,234.75, 289,847.76 and 66,867.37

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Solution

The fourth proportional to 193,234.75, 289,847.76 and 66,867.37 is: 100,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,234.75 : 289,847.76 = 66,867.37 : x
  2. Step 2: Convert to fraction form
    193,234.75/289,847.76 = 66,867.37/x
  3. Step 3: Cross multiply
    193,234.75x = 289,847.76 × 66,867.37
  4. Step 4: Simplify right side
    193,234.75x = 19,381,357,411.59
  5. Step 5: Solve for x
    x = 19,381,357,411.59/193,234.75
  6. Step 6: Final answer
    x = 100,299.54

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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.