Home / 331,843.30-457,970.97-188,648.26

Finding the Fourth Proportional to 331,843.30, 457,970.97 and 188,648.26

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Solution

The fourth proportional to 331,843.30, 457,970.97 and 188,648.26 is: 260,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,843.30 : 457,970.97 = 188,648.26 : x
  2. Step 2: Convert to fraction form
    331,843.30/457,970.97 = 188,648.26/x
  3. Step 3: Cross multiply
    331,843.30x = 457,970.97 × 188,648.26
  4. Step 4: Simplify right side
    331,843.30x = 86,395,426,621.01
  5. Step 5: Solve for x
    x = 86,395,426,621.01/331,843.30
  6. Step 6: Final answer
    x = 260,350.07

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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.