Home / 186,884.20-280,363.22-68,556.56

Finding the Fourth Proportional to 186,884.20, 280,363.22 and 68,556.56

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Solution

The fourth proportional to 186,884.20, 280,363.22 and 68,556.56 is: 102,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,884.20 : 280,363.22 = 68,556.56 : x
  2. Step 2: Convert to fraction form
    186,884.20/280,363.22 = 68,556.56/x
  3. Step 3: Cross multiply
    186,884.20x = 280,363.22 × 68,556.56
  4. Step 4: Simplify right side
    186,884.20x = 19,220,737,913.72
  5. Step 5: Solve for x
    x = 19,220,737,913.72/186,884.20
  6. Step 6: Final answer
    x = 102,848.38

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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.