Home / 272,022.30-408,091.05-82,467.10

Finding the Fourth Proportional to 272,022.30, 408,091.05 and 82,467.10

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Solution

The fourth proportional to 272,022.30, 408,091.05 and 82,467.10 is: 123,718.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,022.30 : 408,091.05 = 82,467.10 : x
  2. Step 2: Convert to fraction form
    272,022.30/408,091.05 = 82,467.10/x
  3. Step 3: Cross multiply
    272,022.30x = 408,091.05 × 82,467.10
  4. Step 4: Simplify right side
    272,022.30x = 33,654,085,429.46
  5. Step 5: Solve for x
    x = 33,654,085,429.46/272,022.30
  6. Step 6: Final answer
    x = 123,718.11

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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.