Home / 204,151.71-305,628.73-143,150.46

Finding the Fourth Proportional to 204,151.71, 305,628.73 and 143,150.46

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Solution

The fourth proportional to 204,151.71, 305,628.73 and 143,150.46 is: 214,305.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,151.71 : 305,628.73 = 143,150.46 : x
  2. Step 2: Convert to fraction form
    204,151.71/305,628.73 = 143,150.46/x
  3. Step 3: Cross multiply
    204,151.71x = 305,628.73 × 143,150.46
  4. Step 4: Simplify right side
    204,151.71x = 43,750,892,473.87
  5. Step 5: Solve for x
    x = 43,750,892,473.87/204,151.71
  6. Step 6: Final answer
    x = 214,305.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.