Home / 132,403.21-198,542.39-48,103.93

Finding the Fourth Proportional to 132,403.21, 198,542.39 and 48,103.93

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Solution

The fourth proportional to 132,403.21, 198,542.39 and 48,103.93 is: 72,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,403.21 : 198,542.39 = 48,103.93 : x
  2. Step 2: Convert to fraction form
    132,403.21/198,542.39 = 48,103.93/x
  3. Step 3: Cross multiply
    132,403.21x = 198,542.39 × 48,103.93
  4. Step 4: Simplify right side
    132,403.21x = 9,550,669,230.59
  5. Step 5: Solve for x
    x = 9,550,669,230.59/132,403.21
  6. Step 6: Final answer
    x = 72,133.22

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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.