Home / 132,719.46-199,161-53,834.37

Finding the Fourth Proportional to 132,719.46, 199,161 and 53,834.37

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Solution

The fourth proportional to 132,719.46, 199,161 and 53,834.37 is: 80,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,719.46 : 199,161 = 53,834.37 : x
  2. Step 2: Convert to fraction form
    132,719.46/199,161 = 53,834.37/x
  3. Step 3: Cross multiply
    132,719.46x = 199,161 × 53,834.37
  4. Step 4: Simplify right side
    132,719.46x = 10,721,706,963.57
  5. Step 5: Solve for x
    x = 10,721,706,963.57/132,719.46
  6. Step 6: Final answer
    x = 80,784.74

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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.