Home / 272,337.40-408,505.88-82,799.28

Finding the Fourth Proportional to 272,337.40, 408,505.88 and 82,799.28

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Solution

The fourth proportional to 272,337.40, 408,505.88 and 82,799.28 is: 124,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,337.40 : 408,505.88 = 82,799.28 : x
  2. Step 2: Convert to fraction form
    272,337.40/408,505.88 = 82,799.28/x
  3. Step 3: Cross multiply
    272,337.40x = 408,505.88 × 82,799.28
  4. Step 4: Simplify right side
    272,337.40x = 33,823,992,739.77
  5. Step 5: Solve for x
    x = 33,823,992,739.77/272,337.40
  6. Step 6: Final answer
    x = 124,198.85

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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.