Home / 321,789.91-444,040.73-190,945.02

Finding the Fourth Proportional to 321,789.91, 444,040.73 and 190,945.02

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Solution

The fourth proportional to 321,789.91, 444,040.73 and 190,945.02 is: 263,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,789.91 : 444,040.73 = 190,945.02 : x
  2. Step 2: Convert to fraction form
    321,789.91/444,040.73 = 190,945.02/x
  3. Step 3: Cross multiply
    321,789.91x = 444,040.73 × 190,945.02
  4. Step 4: Simplify right side
    321,789.91x = 84,787,363,847.65
  5. Step 5: Solve for x
    x = 84,787,363,847.65/321,789.91
  6. Step 6: Final answer
    x = 263,486.71

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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.