Home / 293,086.20-439,621.06-93,418.55

Finding the Fourth Proportional to 293,086.20, 439,621.06 and 93,418.55

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Solution

The fourth proportional to 293,086.20, 439,621.06 and 93,418.55 is: 140,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,086.20 : 439,621.06 = 93,418.55 : x
  2. Step 2: Convert to fraction form
    293,086.20/439,621.06 = 93,418.55/x
  3. Step 3: Cross multiply
    293,086.20x = 439,621.06 × 93,418.55
  4. Step 4: Simplify right side
    293,086.20x = 41,068,761,974.66
  5. Step 5: Solve for x
    x = 41,068,761,974.66/293,086.20
  6. Step 6: Final answer
    x = 140,125.20

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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.