Home / 132,790.17-183,234.99-81,081.26

Finding the Fourth Proportional to 132,790.17, 183,234.99 and 81,081.26

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Solution

The fourth proportional to 132,790.17, 183,234.99 and 81,081.26 is: 111,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,790.17 : 183,234.99 = 81,081.26 : x
  2. Step 2: Convert to fraction form
    132,790.17/183,234.99 = 81,081.26/x
  3. Step 3: Cross multiply
    132,790.17x = 183,234.99 × 81,081.26
  4. Step 4: Simplify right side
    132,790.17x = 14,856,923,865.29
  5. Step 5: Solve for x
    x = 14,856,923,865.29/132,790.17
  6. Step 6: Final answer
    x = 111,882.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.