Home / 132,629.04-198,945.66-73,838.38

Finding the Fourth Proportional to 132,629.04, 198,945.66 and 73,838.38

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Solution

The fourth proportional to 132,629.04, 198,945.66 and 73,838.38 is: 110,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,629.04 : 198,945.66 = 73,838.38 : x
  2. Step 2: Convert to fraction form
    132,629.04/198,945.66 = 73,838.38/x
  3. Step 3: Cross multiply
    132,629.04x = 198,945.66 × 73,838.38
  4. Step 4: Simplify right side
    132,629.04x = 14,689,825,242.43
  5. Step 5: Solve for x
    x = 14,689,825,242.43/132,629.04
  6. Step 6: Final answer
    x = 110,758.74

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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.