Home / 132,747.84-198,653.85-82,851.30

Finding the Fourth Proportional to 132,747.84, 198,653.85 and 82,851.30

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Solution

The fourth proportional to 132,747.84, 198,653.85 and 82,851.30 is: 123,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,747.84 : 198,653.85 = 82,851.30 : x
  2. Step 2: Convert to fraction form
    132,747.84/198,653.85 = 82,851.30/x
  3. Step 3: Cross multiply
    132,747.84x = 198,653.85 × 82,851.30
  4. Step 4: Simplify right side
    132,747.84x = 16,458,729,722.51
  5. Step 5: Solve for x
    x = 16,458,729,722.51/132,747.84
  6. Step 6: Final answer
    x = 123,984.92

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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.