Home / 253,949.20-350,453.84-139,238.32

Finding the Fourth Proportional to 253,949.20, 350,453.84 and 139,238.32

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Solution

The fourth proportional to 253,949.20, 350,453.84 and 139,238.32 is: 192,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,949.20 : 350,453.84 = 139,238.32 : x
  2. Step 2: Convert to fraction form
    253,949.20/350,453.84 = 139,238.32/x
  3. Step 3: Cross multiply
    253,949.20x = 350,453.84 × 139,238.32
  4. Step 4: Simplify right side
    253,949.20x = 48,796,601,470.69
  5. Step 5: Solve for x
    x = 48,796,601,470.69/253,949.20
  6. Step 6: Final answer
    x = 192,151.04

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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.