Home / 108,629.20-162,943.80-64,233.10

Finding the Fourth Proportional to 108,629.20, 162,943.80 and 64,233.10

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Solution

The fourth proportional to 108,629.20, 162,943.80 and 64,233.10 is: 96,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,629.20 : 162,943.80 = 64,233.10 : x
  2. Step 2: Convert to fraction form
    108,629.20/162,943.80 = 64,233.10/x
  3. Step 3: Cross multiply
    108,629.20x = 162,943.80 × 64,233.10
  4. Step 4: Simplify right side
    108,629.20x = 10,466,385,399.78
  5. Step 5: Solve for x
    x = 10,466,385,399.78/108,629.20
  6. Step 6: Final answer
    x = 96,349.65

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Similar ratio
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1.5x scale

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.