Home / 104,147.19-156,228.06-51,542.55

Finding the Fourth Proportional to 104,147.19, 156,228.06 and 51,542.55

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Solution

The fourth proportional to 104,147.19, 156,228.06 and 51,542.55 is: 77,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,147.19 : 156,228.06 = 51,542.55 : x
  2. Step 2: Convert to fraction form
    104,147.19/156,228.06 = 51,542.55/x
  3. Step 3: Cross multiply
    104,147.19x = 156,228.06 × 51,542.55
  4. Step 4: Simplify right side
    104,147.19x = 8,052,392,593.95
  5. Step 5: Solve for x
    x = 8,052,392,593.95/104,147.19
  6. Step 6: Final answer
    x = 77,317.43

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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.