Home / 108,704.20-162,837.60-73,274.80

Finding the Fourth Proportional to 108,704.20, 162,837.60 and 73,274.80

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Solution

The fourth proportional to 108,704.20, 162,837.60 and 73,274.80 is: 109,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,704.20 : 162,837.60 = 73,274.80 : x
  2. Step 2: Convert to fraction form
    108,704.20/162,837.60 = 73,274.80/x
  3. Step 3: Cross multiply
    108,704.20x = 162,837.60 × 73,274.80
  4. Step 4: Simplify right side
    108,704.20x = 11,931,892,572.48
  5. Step 5: Solve for x
    x = 11,931,892,572.48/108,704.20
  6. Step 6: Final answer
    x = 109,764.78

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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.