Home / 541,198.24-811,568.86-162,172.92

Finding the Fourth Proportional to 541,198.24, 811,568.86 and 162,172.92

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Solution

The fourth proportional to 541,198.24, 811,568.86 and 162,172.92 is: 243,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,198.24 : 811,568.86 = 162,172.92 : x
  2. Step 2: Convert to fraction form
    541,198.24/811,568.86 = 162,172.92/x
  3. Step 3: Cross multiply
    541,198.24x = 811,568.86 × 162,172.92
  4. Step 4: Simplify right side
    541,198.24x = 131,614,491,807.27
  5. Step 5: Solve for x
    x = 131,614,491,807.27/541,198.24
  6. Step 6: Final answer
    x = 243,190.91

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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.