Home / 293,890.20-440,252.10-199,411.80

Finding the Fourth Proportional to 293,890.20, 440,252.10 and 199,411.80

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Solution

The fourth proportional to 293,890.20, 440,252.10 and 199,411.80 is: 298,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,890.20 : 440,252.10 = 199,411.80 : x
  2. Step 2: Convert to fraction form
    293,890.20/440,252.10 = 199,411.80/x
  3. Step 3: Cross multiply
    293,890.20x = 440,252.10 × 199,411.80
  4. Step 4: Simplify right side
    293,890.20x = 87,791,463,714.78
  5. Step 5: Solve for x
    x = 87,791,463,714.78/293,890.20
  6. Step 6: Final answer
    x = 298,721.98

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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.