Home / 108,376.20-162,564.30-92,629.80

Finding the Fourth Proportional to 108,376.20, 162,564.30 and 92,629.80

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Solution

The fourth proportional to 108,376.20, 162,564.30 and 92,629.80 is: 138,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,376.20 : 162,564.30 = 92,629.80 : x
  2. Step 2: Convert to fraction form
    108,376.20/162,564.30 = 92,629.80/x
  3. Step 3: Cross multiply
    108,376.20x = 162,564.30 × 92,629.80
  4. Step 4: Simplify right side
    108,376.20x = 15,058,298,596.14
  5. Step 5: Solve for x
    x = 15,058,298,596.14/108,376.20
  6. Step 6: Final answer
    x = 138,944.70

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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.