Home / 293,215.96-439,589.13-192,639.88

Finding the Fourth Proportional to 293,215.96, 439,589.13 and 192,639.88

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Solution

The fourth proportional to 293,215.96, 439,589.13 and 192,639.88 is: 288,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,215.96 : 439,589.13 = 192,639.88 : x
  2. Step 2: Convert to fraction form
    293,215.96/439,589.13 = 192,639.88/x
  3. Step 3: Cross multiply
    293,215.96x = 439,589.13 × 192,639.88
  4. Step 4: Simplify right side
    293,215.96x = 84,682,397,252.50
  5. Step 5: Solve for x
    x = 84,682,397,252.50/293,215.96
  6. Step 6: Final answer
    x = 288,805.55

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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.