Home / 293,787.25-405,550.44-198,423.10

Finding the Fourth Proportional to 293,787.25, 405,550.44 and 198,423.10

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Solution

The fourth proportional to 293,787.25, 405,550.44 and 198,423.10 is: 273,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,787.25 : 405,550.44 = 198,423.10 : x
  2. Step 2: Convert to fraction form
    293,787.25/405,550.44 = 198,423.10/x
  3. Step 3: Cross multiply
    293,787.25x = 405,550.44 × 198,423.10
  4. Step 4: Simplify right side
    293,787.25x = 80,470,575,511.16
  5. Step 5: Solve for x
    x = 80,470,575,511.16/293,787.25
  6. Step 6: Final answer
    x = 273,907.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.