Home / 216,042.20-324,063.30-132,061.40

Finding the Fourth Proportional to 216,042.20, 324,063.30 and 132,061.40

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Solution

The fourth proportional to 216,042.20, 324,063.30 and 132,061.40 is: 198,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,042.20 : 324,063.30 = 132,061.40 : x
  2. Step 2: Convert to fraction form
    216,042.20/324,063.30 = 132,061.40/x
  3. Step 3: Cross multiply
    216,042.20x = 324,063.30 × 132,061.40
  4. Step 4: Simplify right side
    216,042.20x = 42,796,253,086.62
  5. Step 5: Solve for x
    x = 42,796,253,086.62/216,042.20
  6. Step 6: Final answer
    x = 198,092.10

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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.