Home / 156,103.50-234,147.03-43,791.54

Finding the Fourth Proportional to 156,103.50, 234,147.03 and 43,791.54

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Solution

The fourth proportional to 156,103.50, 234,147.03 and 43,791.54 is: 65,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,103.50 : 234,147.03 = 43,791.54 : x
  2. Step 2: Convert to fraction form
    156,103.50/234,147.03 = 43,791.54/x
  3. Step 3: Cross multiply
    156,103.50x = 234,147.03 × 43,791.54
  4. Step 4: Simplify right side
    156,103.50x = 10,253,659,030.13
  5. Step 5: Solve for x
    x = 10,253,659,030.13/156,103.50
  6. Step 6: Final answer
    x = 65,685.00

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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.