Home / 132,788.64-199,183.86-39,295.20

Finding the Fourth Proportional to 132,788.64, 199,183.86 and 39,295.20

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Solution

The fourth proportional to 132,788.64, 199,183.86 and 39,295.20 is: 58,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,788.64 : 199,183.86 = 39,295.20 : x
  2. Step 2: Convert to fraction form
    132,788.64/199,183.86 = 39,295.20/x
  3. Step 3: Cross multiply
    132,788.64x = 199,183.86 × 39,295.20
  4. Step 4: Simplify right side
    132,788.64x = 7,826,969,615.47
  5. Step 5: Solve for x
    x = 7,826,969,615.47/132,788.64
  6. Step 6: Final answer
    x = 58,943.07

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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.