Home / 234,982.48-352,399.08-77,174.20

Finding the Fourth Proportional to 234,982.48, 352,399.08 and 77,174.20

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Solution

The fourth proportional to 234,982.48, 352,399.08 and 77,174.20 is: 115,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,982.48 : 352,399.08 = 77,174.20 : x
  2. Step 2: Convert to fraction form
    234,982.48/352,399.08 = 77,174.20/x
  3. Step 3: Cross multiply
    234,982.48x = 352,399.08 × 77,174.20
  4. Step 4: Simplify right side
    234,982.48x = 27,196,117,079.74
  5. Step 5: Solve for x
    x = 27,196,117,079.74/234,982.48
  6. Step 6: Final answer
    x = 115,736.79

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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.