Home / 198,325.72-296,824.38-162,785.89

Finding the Fourth Proportional to 198,325.72, 296,824.38 and 162,785.89

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Solution

The fourth proportional to 198,325.72, 296,824.38 and 162,785.89 is: 243,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,325.72 : 296,824.38 = 162,785.89 : x
  2. Step 2: Convert to fraction form
    198,325.72/296,824.38 = 162,785.89/x
  3. Step 3: Cross multiply
    198,325.72x = 296,824.38 × 162,785.89
  4. Step 4: Simplify right side
    198,325.72x = 48,318,820,872.00
  5. Step 5: Solve for x
    x = 48,318,820,872.00/198,325.72
  6. Step 6: Final answer
    x = 243,633.66

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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.