Home / 132,541.43-198,824.40-53,661.80

Finding the Fourth Proportional to 132,541.43, 198,824.40 and 53,661.80

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Solution

The fourth proportional to 132,541.43, 198,824.40 and 53,661.80 is: 80,497.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,541.43 : 198,824.40 = 53,661.80 : x
  2. Step 2: Convert to fraction form
    132,541.43/198,824.40 = 53,661.80/x
  3. Step 3: Cross multiply
    132,541.43x = 198,824.40 × 53,661.80
  4. Step 4: Simplify right side
    132,541.43x = 10,669,275,187.92
  5. Step 5: Solve for x
    x = 10,669,275,187.92/132,541.43
  6. Step 6: Final answer
    x = 80,497.66

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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.