Home / 108,031.20-161,796.24-104,293.44

Finding the Fourth Proportional to 108,031.20, 161,796.24 and 104,293.44

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Solution

The fourth proportional to 108,031.20, 161,796.24 and 104,293.44 is: 156,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,031.20 : 161,796.24 = 104,293.44 : x
  2. Step 2: Convert to fraction form
    108,031.20/161,796.24 = 104,293.44/x
  3. Step 3: Cross multiply
    108,031.20x = 161,796.24 × 104,293.44
  4. Step 4: Simplify right side
    108,031.20x = 16,874,286,448.67
  5. Step 5: Solve for x
    x = 16,874,286,448.67/108,031.20
  6. Step 6: Final answer
    x = 156,198.27

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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.