Home / 132,340.80-198,453.72-48,072.96

Finding the Fourth Proportional to 132,340.80, 198,453.72 and 48,072.96

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Solution

The fourth proportional to 132,340.80, 198,453.72 and 48,072.96 is: 72,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,340.80 : 198,453.72 = 48,072.96 : x
  2. Step 2: Convert to fraction form
    132,340.80/198,453.72 = 48,072.96/x
  3. Step 3: Cross multiply
    132,340.80x = 198,453.72 × 48,072.96
  4. Step 4: Simplify right side
    132,340.80x = 9,540,257,743.41
  5. Step 5: Solve for x
    x = 9,540,257,743.41/132,340.80
  6. Step 6: Final answer
    x = 72,088.56

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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.