Home / 331,453.28-457,389.78-188,194.52

Finding the Fourth Proportional to 331,453.28, 457,389.78 and 188,194.52

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Solution

The fourth proportional to 331,453.28, 457,389.78 and 188,194.52 is: 259,699.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,453.28 : 457,389.78 = 188,194.52 : x
  2. Step 2: Convert to fraction form
    331,453.28/457,389.78 = 188,194.52/x
  3. Step 3: Cross multiply
    331,453.28x = 457,389.78 × 188,194.52
  4. Step 4: Simplify right side
    331,453.28x = 86,078,250,100.01
  5. Step 5: Solve for x
    x = 86,078,250,100.01/331,453.28
  6. Step 6: Final answer
    x = 259,699.50

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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.