Home / 132,623.11-198,964.74-43,876.47

Finding the Fourth Proportional to 132,623.11, 198,964.74 and 43,876.47

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Solution

The fourth proportional to 132,623.11, 198,964.74 and 43,876.47 is: 65,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,623.11 : 198,964.74 = 43,876.47 : x
  2. Step 2: Convert to fraction form
    132,623.11/198,964.74 = 43,876.47/x
  3. Step 3: Cross multiply
    132,623.11x = 198,964.74 × 43,876.47
  4. Step 4: Simplify right side
    132,623.11x = 8,729,870,445.67
  5. Step 5: Solve for x
    x = 8,729,870,445.67/132,623.11
  6. Step 6: Final answer
    x = 65,824.65

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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.