Home / 250,744.31-345,943.00-143,238.22

Finding the Fourth Proportional to 250,744.31, 345,943.00 and 143,238.22

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Solution

The fourth proportional to 250,744.31, 345,943.00 and 143,238.22 is: 197,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,744.31 : 345,943.00 = 143,238.22 : x
  2. Step 2: Convert to fraction form
    250,744.31/345,943.00 = 143,238.22/x
  3. Step 3: Cross multiply
    250,744.31x = 345,943.00 × 143,238.22
  4. Step 4: Simplify right side
    250,744.31x = 49,552,260,801.58
  5. Step 5: Solve for x
    x = 49,552,260,801.58/250,744.31
  6. Step 6: Final answer
    x = 197,620.68

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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.