Home / 259,814.12-389,732.52-82,334.22

Finding the Fourth Proportional to 259,814.12, 389,732.52 and 82,334.22

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Solution

The fourth proportional to 259,814.12, 389,732.52 and 82,334.22 is: 123,504.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,814.12 : 389,732.52 = 82,334.22 : x
  2. Step 2: Convert to fraction form
    259,814.12/389,732.52 = 82,334.22/x
  3. Step 3: Cross multiply
    259,814.12x = 389,732.52 × 82,334.22
  4. Step 4: Simplify right side
    259,814.12x = 32,088,323,042.83
  5. Step 5: Solve for x
    x = 32,088,323,042.83/259,814.12
  6. Step 6: Final answer
    x = 123,504.92

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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.