Home / 293,078.98-439,135.44-268,566.31

Finding the Fourth Proportional to 293,078.98, 439,135.44 and 268,566.31

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Solution

The fourth proportional to 293,078.98, 439,135.44 and 268,566.31 is: 402,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,078.98 : 439,135.44 = 268,566.31 : x
  2. Step 2: Convert to fraction form
    293,078.98/439,135.44 = 268,566.31/x
  3. Step 3: Cross multiply
    293,078.98x = 439,135.44 × 268,566.31
  4. Step 4: Simplify right side
    293,078.98x = 117,936,984,711.03
  5. Step 5: Solve for x
    x = 117,936,984,711.03/293,078.98
  6. Step 6: Final answer
    x = 402,406.83

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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.