Home / 259,912.04-389,881.98-82,432.52

Finding the Fourth Proportional to 259,912.04, 389,881.98 and 82,432.52

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Solution

The fourth proportional to 259,912.04, 389,881.98 and 82,432.52 is: 123,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,912.04 : 389,881.98 = 82,432.52 : x
  2. Step 2: Convert to fraction form
    259,912.04/389,881.98 = 82,432.52/x
  3. Step 3: Cross multiply
    259,912.04x = 389,881.98 × 82,432.52
  4. Step 4: Simplify right side
    259,912.04x = 32,138,954,113.99
  5. Step 5: Solve for x
    x = 32,138,954,113.99/259,912.04
  6. Step 6: Final answer
    x = 123,653.19

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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.