Home / 132,485.10-198,727.47-53,599.92

Finding the Fourth Proportional to 132,485.10, 198,727.47 and 53,599.92

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Solution

The fourth proportional to 132,485.10, 198,727.47 and 53,599.92 is: 80,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,485.10 : 198,727.47 = 53,599.92 : x
  2. Step 2: Convert to fraction form
    132,485.10/198,727.47 = 53,599.92/x
  3. Step 3: Cross multiply
    132,485.10x = 198,727.47 × 53,599.92
  4. Step 4: Simplify right side
    132,485.10x = 10,651,776,493.80
  5. Step 5: Solve for x
    x = 10,651,776,493.80/132,485.10
  6. Step 6: Final answer
    x = 80,399.81

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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.