Home / 207,986.84-311,502.41-132,079.82

Finding the Fourth Proportional to 207,986.84, 311,502.41 and 132,079.82

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Solution

The fourth proportional to 207,986.84, 311,502.41 and 132,079.82 is: 197,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,986.84 : 311,502.41 = 132,079.82 : x
  2. Step 2: Convert to fraction form
    207,986.84/311,502.41 = 132,079.82/x
  3. Step 3: Cross multiply
    207,986.84x = 311,502.41 × 132,079.82
  4. Step 4: Simplify right side
    207,986.84x = 41,143,180,519.75
  5. Step 5: Solve for x
    x = 41,143,180,519.75/207,986.84
  6. Step 6: Final answer
    x = 197,816.27

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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.