Home / 251,839.16-347,571.20-144,388.20

Finding the Fourth Proportional to 251,839.16, 347,571.20 and 144,388.20

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Solution

The fourth proportional to 251,839.16, 347,571.20 and 144,388.20 is: 199,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,839.16 : 347,571.20 = 144,388.20 : x
  2. Step 2: Convert to fraction form
    251,839.16/347,571.20 = 144,388.20/x
  3. Step 3: Cross multiply
    251,839.16x = 347,571.20 × 144,388.20
  4. Step 4: Simplify right side
    251,839.16x = 50,185,179,217.90
  5. Step 5: Solve for x
    x = 50,185,179,217.90/251,839.16
  6. Step 6: Final answer
    x = 199,274.73

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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.