Home / 132,682.70-198,477.30-121,004.12

Finding the Fourth Proportional to 132,682.70, 198,477.30 and 121,004.12

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Solution

The fourth proportional to 132,682.70, 198,477.30 and 121,004.12 is: 181,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,682.70 : 198,477.30 = 121,004.12 : x
  2. Step 2: Convert to fraction form
    132,682.70/198,477.30 = 121,004.12/x
  3. Step 3: Cross multiply
    132,682.70x = 198,477.30 × 121,004.12
  4. Step 4: Simplify right side
    132,682.70x = 24,016,571,026.48
  5. Step 5: Solve for x
    x = 24,016,571,026.48/132,682.70
  6. Step 6: Final answer
    x = 181,007.55

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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.