Home / 108,022.20-162,033.30-98,836.80

Finding the Fourth Proportional to 108,022.20, 162,033.30 and 98,836.80

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Solution

The fourth proportional to 108,022.20, 162,033.30 and 98,836.80 is: 148,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,022.20 : 162,033.30 = 98,836.80 : x
  2. Step 2: Convert to fraction form
    108,022.20/162,033.30 = 98,836.80/x
  3. Step 3: Cross multiply
    108,022.20x = 162,033.30 × 98,836.80
  4. Step 4: Simplify right side
    108,022.20x = 16,014,852,865.44
  5. Step 5: Solve for x
    x = 16,014,852,865.44/108,022.20
  6. Step 6: Final answer
    x = 148,255.20

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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.