Home / 167,346.20-251,213.70-100,861.40

Finding the Fourth Proportional to 167,346.20, 251,213.70 and 100,861.40

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Solution

The fourth proportional to 167,346.20, 251,213.70 and 100,861.40 is: 151,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,346.20 : 251,213.70 = 100,861.40 : x
  2. Step 2: Convert to fraction form
    167,346.20/251,213.70 = 100,861.40/x
  3. Step 3: Cross multiply
    167,346.20x = 251,213.70 × 100,861.40
  4. Step 4: Simplify right side
    167,346.20x = 25,337,765,481.18
  5. Step 5: Solve for x
    x = 25,337,765,481.18/167,346.20
  6. Step 6: Final answer
    x = 151,409.27

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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.