Home / 197,511.31-296,214.11-55,348.61

Finding the Fourth Proportional to 197,511.31, 296,214.11 and 55,348.61

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Solution

The fourth proportional to 197,511.31, 296,214.11 and 55,348.61 is: 83,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,511.31 : 296,214.11 = 55,348.61 : x
  2. Step 2: Convert to fraction form
    197,511.31/296,214.11 = 55,348.61/x
  3. Step 3: Cross multiply
    197,511.31x = 296,214.11 × 55,348.61
  4. Step 4: Simplify right side
    197,511.31x = 16,395,038,974.14
  5. Step 5: Solve for x
    x = 16,395,038,974.14/197,511.31
  6. Step 6: Final answer
    x = 83,008.10

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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.