Home / 140,841.18-211,380.30-131,974.38

Finding the Fourth Proportional to 140,841.18, 211,380.30 and 131,974.38

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Solution

The fourth proportional to 140,841.18, 211,380.30 and 131,974.38 is: 198,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,841.18 : 211,380.30 = 131,974.38 : x
  2. Step 2: Convert to fraction form
    140,841.18/211,380.30 = 131,974.38/x
  3. Step 3: Cross multiply
    140,841.18x = 211,380.30 × 131,974.38
  4. Step 4: Simplify right side
    140,841.18x = 27,896,784,036.71
  5. Step 5: Solve for x
    x = 27,896,784,036.71/140,841.18
  6. Step 6: Final answer
    x = 198,072.64

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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.