Home / 132,917.31-199,375.97-39,422.25

Finding the Fourth Proportional to 132,917.31, 199,375.97 and 39,422.25

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Solution

The fourth proportional to 132,917.31, 199,375.97 and 39,422.25 is: 59,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,917.31 : 199,375.97 = 39,422.25 : x
  2. Step 2: Convert to fraction form
    132,917.31/199,375.97 = 39,422.25/x
  3. Step 3: Cross multiply
    132,917.31x = 199,375.97 × 39,422.25
  4. Step 4: Simplify right side
    132,917.31x = 7,859,849,136.22
  5. Step 5: Solve for x
    x = 7,859,849,136.22/132,917.31
  6. Step 6: Final answer
    x = 59,133.38

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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.