Home / 108,039.10-161,730.60-96,229.30

Finding the Fourth Proportional to 108,039.10, 161,730.60 and 96,229.30

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Solution

The fourth proportional to 108,039.10, 161,730.60 and 96,229.30 is: 144,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,039.10 : 161,730.60 = 96,229.30 : x
  2. Step 2: Convert to fraction form
    108,039.10/161,730.60 = 96,229.30/x
  3. Step 3: Cross multiply
    108,039.10x = 161,730.60 × 96,229.30
  4. Step 4: Simplify right side
    108,039.10x = 15,563,222,426.58
  5. Step 5: Solve for x
    x = 15,563,222,426.58/108,039.10
  6. Step 6: Final answer
    x = 144,051.76

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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.