Home / 132,673.21-199,009.36-53,787.25

Finding the Fourth Proportional to 132,673.21, 199,009.36 and 53,787.25

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Solution

The fourth proportional to 132,673.21, 199,009.36 and 53,787.25 is: 80,680.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,673.21 : 199,009.36 = 53,787.25 : x
  2. Step 2: Convert to fraction form
    132,673.21/199,009.36 = 53,787.25/x
  3. Step 3: Cross multiply
    132,673.21x = 199,009.36 × 53,787.25
  4. Step 4: Simplify right side
    132,673.21x = 10,704,166,198.66
  5. Step 5: Solve for x
    x = 10,704,166,198.66/132,673.21
  6. Step 6: Final answer
    x = 80,680.69

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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.