Home / 343,579.33-474,143.39-190,620.37

Finding the Fourth Proportional to 343,579.33, 474,143.39 and 190,620.37

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Solution

The fourth proportional to 343,579.33, 474,143.39 and 190,620.37 is: 263,058.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,579.33 : 474,143.39 = 190,620.37 : x
  2. Step 2: Convert to fraction form
    343,579.33/474,143.39 = 190,620.37/x
  3. Step 3: Cross multiply
    343,579.33x = 474,143.39 × 190,620.37
  4. Step 4: Simplify right side
    343,579.33x = 90,381,387,481.75
  5. Step 5: Solve for x
    x = 90,381,387,481.75/343,579.33
  6. Step 6: Final answer
    x = 263,058.28

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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.