Home / 207,523.68-311,314.32-67,236.96

Finding the Fourth Proportional to 207,523.68, 311,314.32 and 67,236.96

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Solution

The fourth proportional to 207,523.68, 311,314.32 and 67,236.96 is: 100,864.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,523.68 : 311,314.32 = 67,236.96 : x
  2. Step 2: Convert to fraction form
    207,523.68/311,314.32 = 67,236.96/x
  3. Step 3: Cross multiply
    207,523.68x = 311,314.32 × 67,236.96
  4. Step 4: Simplify right side
    207,523.68x = 20,931,828,481.27
  5. Step 5: Solve for x
    x = 20,931,828,481.27/207,523.68
  6. Step 6: Final answer
    x = 100,864.77

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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.