Home / 171,899.26-257,901.68-82,056.61

Finding the Fourth Proportional to 171,899.26, 257,901.68 and 82,056.61

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Solution

The fourth proportional to 171,899.26, 257,901.68 and 82,056.61 is: 123,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,899.26 : 257,901.68 = 82,056.61 : x
  2. Step 2: Convert to fraction form
    171,899.26/257,901.68 = 82,056.61/x
  3. Step 3: Cross multiply
    171,899.26x = 257,901.68 × 82,056.61
  4. Step 4: Simplify right side
    171,899.26x = 21,162,538,365.40
  5. Step 5: Solve for x
    x = 21,162,538,365.40/171,899.26
  6. Step 6: Final answer
    x = 123,110.12

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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.