Home / 161,614.62-242,154.63-82,620.18

Finding the Fourth Proportional to 161,614.62, 242,154.63 and 82,620.18

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Solution

The fourth proportional to 161,614.62, 242,154.63 and 82,620.18 is: 123,793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,614.62 : 242,154.63 = 82,620.18 : x
  2. Step 2: Convert to fraction form
    161,614.62/242,154.63 = 82,620.18/x
  3. Step 3: Cross multiply
    161,614.62x = 242,154.63 × 82,620.18
  4. Step 4: Simplify right side
    161,614.62x = 20,006,859,118.43
  5. Step 5: Solve for x
    x = 20,006,859,118.43/161,614.62
  6. Step 6: Final answer
    x = 123,793.62

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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.