Home / 294,237.30-405,943.03-192,321.61

Finding the Fourth Proportional to 294,237.30, 405,943.03 and 192,321.61

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Solution

The fourth proportional to 294,237.30, 405,943.03 and 192,321.61 is: 265,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,237.30 : 405,943.03 = 192,321.61 : x
  2. Step 2: Convert to fraction form
    294,237.30/405,943.03 = 192,321.61/x
  3. Step 3: Cross multiply
    294,237.30x = 405,943.03 × 192,321.61
  4. Step 4: Simplify right side
    294,237.30x = 78,071,617,097.88
  5. Step 5: Solve for x
    x = 78,071,617,097.88/294,237.30
  6. Step 6: Final answer
    x = 265,335.55

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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.