Home / 132,736.43-198,999.39-69,544.43

Finding the Fourth Proportional to 132,736.43, 198,999.39 and 69,544.43

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Solution

The fourth proportional to 132,736.43, 198,999.39 and 69,544.43 is: 104,261.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,736.43 : 198,999.39 = 69,544.43 : x
  2. Step 2: Convert to fraction form
    132,736.43/198,999.39 = 69,544.43/x
  3. Step 3: Cross multiply
    132,736.43x = 198,999.39 × 69,544.43
  4. Step 4: Simplify right side
    132,736.43x = 13,839,299,147.90
  5. Step 5: Solve for x
    x = 13,839,299,147.90/132,736.43
  6. Step 6: Final answer
    x = 104,261.50

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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.