Home / 198,431.28-296,960.46-122,498.64

Finding the Fourth Proportional to 198,431.28, 296,960.46 and 122,498.64

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Solution

The fourth proportional to 198,431.28, 296,960.46 and 122,498.64 is: 183,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,431.28 : 296,960.46 = 122,498.64 : x
  2. Step 2: Convert to fraction form
    198,431.28/296,960.46 = 122,498.64/x
  3. Step 3: Cross multiply
    198,431.28x = 296,960.46 × 122,498.64
  4. Step 4: Simplify right side
    198,431.28x = 36,377,252,483.77
  5. Step 5: Solve for x
    x = 36,377,252,483.77/198,431.28
  6. Step 6: Final answer
    x = 183,324.18

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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.