Home / 197,943.68-296,874.48-69,877.28

Finding the Fourth Proportional to 197,943.68, 296,874.48 and 69,877.28

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Solution

The fourth proportional to 197,943.68, 296,874.48 and 69,877.28 is: 104,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,943.68 : 296,874.48 = 69,877.28 : x
  2. Step 2: Convert to fraction form
    197,943.68/296,874.48 = 69,877.28/x
  3. Step 3: Cross multiply
    197,943.68x = 296,874.48 × 69,877.28
  4. Step 4: Simplify right side
    197,943.68x = 20,744,781,163.81
  5. Step 5: Solve for x
    x = 20,744,781,163.81/197,943.68
  6. Step 6: Final answer
    x = 104,801.43

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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.