Home / 132,734.34-198,633.60-82,837.80

Finding the Fourth Proportional to 132,734.34, 198,633.60 and 82,837.80

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Solution

The fourth proportional to 132,734.34, 198,633.60 and 82,837.80 is: 123,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,734.34 : 198,633.60 = 82,837.80 : x
  2. Step 2: Convert to fraction form
    132,734.34/198,633.60 = 82,837.80/x
  3. Step 3: Cross multiply
    132,734.34x = 198,633.60 × 82,837.80
  4. Step 4: Simplify right side
    132,734.34x = 16,454,370,430.08
  5. Step 5: Solve for x
    x = 16,454,370,430.08/132,734.34
  6. Step 6: Final answer
    x = 123,964.68

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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.