Home / 132,763.66-198,973.26-53,834.83

Finding the Fourth Proportional to 132,763.66, 198,973.26 and 53,834.83

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Solution

The fourth proportional to 132,763.66, 198,973.26 and 53,834.83 is: 80,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,763.66 : 198,973.26 = 53,834.83 : x
  2. Step 2: Convert to fraction form
    132,763.66/198,973.26 = 53,834.83/x
  3. Step 3: Cross multiply
    132,763.66x = 198,973.26 × 53,834.83
  4. Step 4: Simplify right side
    132,763.66x = 10,711,691,129.21
  5. Step 5: Solve for x
    x = 10,711,691,129.21/132,763.66
  6. Step 6: Final answer
    x = 80,682.40

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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.