Home / 132,771.24-199,074.96-65,217.36

Finding the Fourth Proportional to 132,771.24, 199,074.96 and 65,217.36

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Solution

The fourth proportional to 132,771.24, 199,074.96 and 65,217.36 is: 97,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,771.24 : 199,074.96 = 65,217.36 : x
  2. Step 2: Convert to fraction form
    132,771.24/199,074.96 = 65,217.36/x
  3. Step 3: Cross multiply
    132,771.24x = 199,074.96 × 65,217.36
  4. Step 4: Simplify right side
    132,771.24x = 12,983,143,333.31
  5. Step 5: Solve for x
    x = 12,983,143,333.31/132,771.24
  6. Step 6: Final answer
    x = 97,785.81

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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.