Home / 203,890.19-305,835.29-63,660.83

Finding the Fourth Proportional to 203,890.19, 305,835.29 and 63,660.83

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Solution

The fourth proportional to 203,890.19, 305,835.29 and 63,660.83 is: 95,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,890.19 : 305,835.29 = 63,660.83 : x
  2. Step 2: Convert to fraction form
    203,890.19/305,835.29 = 63,660.83/x
  3. Step 3: Cross multiply
    203,890.19x = 305,835.29 × 63,660.83
  4. Step 4: Simplify right side
    203,890.19x = 19,469,728,404.69
  5. Step 5: Solve for x
    x = 19,469,728,404.69/203,890.19
  6. Step 6: Final answer
    x = 95,491.25

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1.5x scale

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.