Home / 207,723.92-311,361.24-82,927.76

Finding the Fourth Proportional to 207,723.92, 311,361.24 and 82,927.76

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Solution

The fourth proportional to 207,723.92, 311,361.24 and 82,927.76 is: 124,301.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,723.92 : 311,361.24 = 82,927.76 : x
  2. Step 2: Convert to fraction form
    207,723.92/311,361.24 = 82,927.76/x
  3. Step 3: Cross multiply
    207,723.92x = 311,361.24 × 82,927.76
  4. Step 4: Simplify right side
    207,723.92x = 25,820,490,184.02
  5. Step 5: Solve for x
    x = 25,820,490,184.02/207,723.92
  6. Step 6: Final answer
    x = 124,301.96

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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.