Home / 327,237.81-451,622.31-199,998.15

Finding the Fourth Proportional to 327,237.81, 451,622.31 and 199,998.15

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Solution

The fourth proportional to 327,237.81, 451,622.31 and 199,998.15 is: 276,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,237.81 : 451,622.31 = 199,998.15 : x
  2. Step 2: Convert to fraction form
    327,237.81/451,622.31 = 199,998.15/x
  3. Step 3: Cross multiply
    327,237.81x = 451,622.31 × 199,998.15
  4. Step 4: Simplify right side
    327,237.81x = 90,323,626,498.73
  5. Step 5: Solve for x
    x = 90,323,626,498.73/327,237.81
  6. Step 6: Final answer
    x = 276,018.31

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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.