Home / 132,719.96-199,161.75-53,834.87

Finding the Fourth Proportional to 132,719.96, 199,161.75 and 53,834.87

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Solution

The fourth proportional to 132,719.96, 199,161.75 and 53,834.87 is: 80,785.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,719.96 : 199,161.75 = 53,834.87 : x
  2. Step 2: Convert to fraction form
    132,719.96/199,161.75 = 53,834.87/x
  3. Step 3: Cross multiply
    132,719.96x = 199,161.75 × 53,834.87
  4. Step 4: Simplify right side
    132,719.96x = 10,721,846,920.22
  5. Step 5: Solve for x
    x = 10,721,846,920.22/132,719.96
  6. Step 6: Final answer
    x = 80,785.49

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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.