Home / 207,922.64-311,922.38-65,803.73

Finding the Fourth Proportional to 207,922.64, 311,922.38 and 65,803.73

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Solution

The fourth proportional to 207,922.64, 311,922.38 and 65,803.73 is: 98,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,922.64 : 311,922.38 = 65,803.73 : x
  2. Step 2: Convert to fraction form
    207,922.64/311,922.38 = 65,803.73/x
  3. Step 3: Cross multiply
    207,922.64x = 311,922.38 × 65,803.73
  4. Step 4: Simplify right side
    207,922.64x = 20,525,654,679.37
  5. Step 5: Solve for x
    x = 20,525,654,679.37/207,922.64
  6. Step 6: Final answer
    x = 98,717.75

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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.