Home / 132,743.84-198,647.85-82,847.30

Finding the Fourth Proportional to 132,743.84, 198,647.85 and 82,847.30

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Solution

The fourth proportional to 132,743.84, 198,647.85 and 82,847.30 is: 123,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,743.84 : 198,647.85 = 82,847.30 : x
  2. Step 2: Convert to fraction form
    132,743.84/198,647.85 = 82,847.30/x
  3. Step 3: Cross multiply
    132,743.84x = 198,647.85 × 82,847.30
  4. Step 4: Simplify right side
    132,743.84x = 16,457,438,023.31
  5. Step 5: Solve for x
    x = 16,457,438,023.31/132,743.84
  6. Step 6: Final answer
    x = 123,978.92

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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.