Home / 108,121.78-162,198.15-33,248.20

Finding the Fourth Proportional to 108,121.78, 162,198.15 and 33,248.20

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Solution

The fourth proportional to 108,121.78, 162,198.15 and 33,248.20 is: 49,877.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,121.78 : 162,198.15 = 33,248.20 : x
  2. Step 2: Convert to fraction form
    108,121.78/162,198.15 = 33,248.20/x
  3. Step 3: Cross multiply
    108,121.78x = 162,198.15 × 33,248.20
  4. Step 4: Simplify right side
    108,121.78x = 5,392,796,530.83
  5. Step 5: Solve for x
    x = 5,392,796,530.83/108,121.78
  6. Step 6: Final answer
    x = 49,877.06

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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.