Home / 161,476.62-242,239.53-82,564.20

Finding the Fourth Proportional to 161,476.62, 242,239.53 and 82,564.20

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Solution

The fourth proportional to 161,476.62, 242,239.53 and 82,564.20 is: 123,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,476.62 : 242,239.53 = 82,564.20 : x
  2. Step 2: Convert to fraction form
    161,476.62/242,239.53 = 82,564.20/x
  3. Step 3: Cross multiply
    161,476.62x = 242,239.53 × 82,564.20
  4. Step 4: Simplify right side
    161,476.62x = 20,000,313,002.83
  5. Step 5: Solve for x
    x = 20,000,313,002.83/161,476.62
  6. Step 6: Final answer
    x = 123,858.88

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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.