Home / 108,183.90-162,165.69-73,127.10

Finding the Fourth Proportional to 108,183.90, 162,165.69 and 73,127.10

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Solution

The fourth proportional to 108,183.90, 162,165.69 and 73,127.10 is: 109,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,183.90 : 162,165.69 = 73,127.10 : x
  2. Step 2: Convert to fraction form
    108,183.90/162,165.69 = 73,127.10/x
  3. Step 3: Cross multiply
    108,183.90x = 162,165.69 × 73,127.10
  4. Step 4: Simplify right side
    108,183.90x = 11,858,706,629.20
  5. Step 5: Solve for x
    x = 11,858,706,629.20/108,183.90
  6. Step 6: Final answer
    x = 109,616.19

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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.