Home / 132,438.82-198,653.83-57,559.04

Finding the Fourth Proportional to 132,438.82, 198,653.83 and 57,559.04

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Solution

The fourth proportional to 132,438.82, 198,653.83 and 57,559.04 is: 86,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,438.82 : 198,653.83 = 57,559.04 : x
  2. Step 2: Convert to fraction form
    132,438.82/198,653.83 = 57,559.04/x
  3. Step 3: Cross multiply
    132,438.82x = 198,653.83 × 57,559.04
  4. Step 4: Simplify right side
    132,438.82x = 11,434,323,747.12
  5. Step 5: Solve for x
    x = 11,434,323,747.12/132,438.82
  6. Step 6: Final answer
    x = 86,336.65

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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.