Home / 331,327.53-457,219.99-202,481.56

Finding the Fourth Proportional to 331,327.53, 457,219.99 and 202,481.56

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Solution

The fourth proportional to 331,327.53, 457,219.99 and 202,481.56 is: 279,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,327.53 : 457,219.99 = 202,481.56 : x
  2. Step 2: Convert to fraction form
    331,327.53/457,219.99 = 202,481.56/x
  3. Step 3: Cross multiply
    331,327.53x = 457,219.99 × 202,481.56
  4. Step 4: Simplify right side
    331,327.53x = 92,578,617,663.01
  5. Step 5: Solve for x
    x = 92,578,617,663.01/331,327.53
  6. Step 6: Final answer
    x = 279,417.22

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1.5x scale

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.