Home / 207,795.88-311,616.06-163,939.24

Finding the Fourth Proportional to 207,795.88, 311,616.06 and 163,939.24

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Solution

The fourth proportional to 207,795.88, 311,616.06 and 163,939.24 is: 245,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,795.88 : 311,616.06 = 163,939.24 : x
  2. Step 2: Convert to fraction form
    207,795.88/311,616.06 = 163,939.24/x
  3. Step 3: Cross multiply
    207,795.88x = 311,616.06 × 163,939.24
  4. Step 4: Simplify right side
    207,795.88x = 51,086,100,048.19
  5. Step 5: Solve for x
    x = 51,086,100,048.19/207,795.88
  6. Step 6: Final answer
    x = 245,847.51

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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.