Home / 197,422.80-296,115.84-55,280.94

Finding the Fourth Proportional to 197,422.80, 296,115.84 and 55,280.94

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Solution

The fourth proportional to 197,422.80, 296,115.84 and 55,280.94 is: 82,916.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,422.80 : 296,115.84 = 55,280.94 : x
  2. Step 2: Convert to fraction form
    197,422.80/296,115.84 = 55,280.94/x
  3. Step 3: Cross multiply
    197,422.80x = 296,115.84 × 55,280.94
  4. Step 4: Simplify right side
    197,422.80x = 16,369,561,984.09
  5. Step 5: Solve for x
    x = 16,369,561,984.09/197,422.80
  6. Step 6: Final answer
    x = 82,916.27

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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.