Home / 327,040.80-451,237.20-190,997.52

Finding the Fourth Proportional to 327,040.80, 451,237.20 and 190,997.52

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Solution

The fourth proportional to 327,040.80, 451,237.20 and 190,997.52 is: 263,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,040.80 : 451,237.20 = 190,997.52 : x
  2. Step 2: Convert to fraction form
    327,040.80/451,237.20 = 190,997.52/x
  3. Step 3: Cross multiply
    327,040.80x = 451,237.20 × 190,997.52
  4. Step 4: Simplify right side
    327,040.80x = 86,185,186,131.74
  5. Step 5: Solve for x
    x = 86,185,186,131.74/327,040.80
  6. Step 6: Final answer
    x = 263,530.38

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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.