Home / 327,040.18-451,236.63-190,996.90

Finding the Fourth Proportional to 327,040.18, 451,236.63 and 190,996.90

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Solution

The fourth proportional to 327,040.18, 451,236.63 and 190,996.90 is: 263,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,040.18 : 451,236.63 = 190,996.90 : x
  2. Step 2: Convert to fraction form
    327,040.18/451,236.63 = 190,996.90/x
  3. Step 3: Cross multiply
    327,040.18x = 451,236.63 × 190,996.90
  4. Step 4: Simplify right side
    327,040.18x = 86,184,797,496.45
  5. Step 5: Solve for x
    x = 86,184,797,496.45/327,040.18
  6. Step 6: Final answer
    x = 263,529.69

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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.