Home / 272,337.40-408,505.86-82,799.32

Finding the Fourth Proportional to 272,337.40, 408,505.86 and 82,799.32

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Solution

The fourth proportional to 272,337.40, 408,505.86 and 82,799.32 is: 124,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,337.40 : 408,505.86 = 82,799.32 : x
  2. Step 2: Convert to fraction form
    272,337.40/408,505.86 = 82,799.32/x
  3. Step 3: Cross multiply
    272,337.40x = 408,505.86 × 82,799.32
  4. Step 4: Simplify right side
    272,337.40x = 33,824,007,424.02
  5. Step 5: Solve for x
    x = 33,824,007,424.02/272,337.40
  6. Step 6: Final answer
    x = 124,198.91

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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.