Home / 132,690.33-198,568.04-82,793.93

Finding the Fourth Proportional to 132,690.33, 198,568.04 and 82,793.93

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Solution

The fourth proportional to 132,690.33, 198,568.04 and 82,793.93 is: 123,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,690.33 : 198,568.04 = 82,793.93 : x
  2. Step 2: Convert to fraction form
    132,690.33/198,568.04 = 82,793.93/x
  3. Step 3: Cross multiply
    132,690.33x = 198,568.04 × 82,793.93
  4. Step 4: Simplify right side
    132,690.33x = 16,440,226,997.19
  5. Step 5: Solve for x
    x = 16,440,226,997.19/132,690.33
  6. Step 6: Final answer
    x = 123,899.21

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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.