Home / 132,990.57-199,427.49-49,826.25

Finding the Fourth Proportional to 132,990.57, 199,427.49 and 49,826.25

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Solution

The fourth proportional to 132,990.57, 199,427.49 and 49,826.25 is: 74,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,990.57 : 199,427.49 = 49,826.25 : x
  2. Step 2: Convert to fraction form
    132,990.57/199,427.49 = 49,826.25/x
  3. Step 3: Cross multiply
    132,990.57x = 199,427.49 × 49,826.25
  4. Step 4: Simplify right side
    132,990.57x = 9,936,723,973.61
  5. Step 5: Solve for x
    x = 9,936,723,973.61/132,990.57
  6. Step 6: Final answer
    x = 74,717.51

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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.