Home / 324,217.87-447,418.93-188,285.21

Finding the Fourth Proportional to 324,217.87, 447,418.93 and 188,285.21

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Solution

The fourth proportional to 324,217.87, 447,418.93 and 188,285.21 is: 259,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,217.87 : 447,418.93 = 188,285.21 : x
  2. Step 2: Convert to fraction form
    324,217.87/447,418.93 = 188,285.21/x
  3. Step 3: Cross multiply
    324,217.87x = 447,418.93 × 188,285.21
  4. Step 4: Simplify right side
    324,217.87x = 84,242,369,032.80
  5. Step 5: Solve for x
    x = 84,242,369,032.80/324,217.87
  6. Step 6: Final answer
    x = 259,832.59

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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.