Home / 234,938.48-352,396.78-77,168.30

Finding the Fourth Proportional to 234,938.48, 352,396.78 and 77,168.30

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Solution

The fourth proportional to 234,938.48, 352,396.78 and 77,168.30 is: 115,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,938.48 : 352,396.78 = 77,168.30 : x
  2. Step 2: Convert to fraction form
    234,938.48/352,396.78 = 77,168.30/x
  3. Step 3: Cross multiply
    234,938.48x = 352,396.78 × 77,168.30
  4. Step 4: Simplify right side
    234,938.48x = 27,193,858,483.17
  5. Step 5: Solve for x
    x = 27,193,858,483.17/234,938.48
  6. Step 6: Final answer
    x = 115,748.85

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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.