Home / 320,743.33-481,221.89-107,532.34

Finding the Fourth Proportional to 320,743.33, 481,221.89 and 107,532.34

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Solution

The fourth proportional to 320,743.33, 481,221.89 and 107,532.34 is: 161,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,743.33 : 481,221.89 = 107,532.34 : x
  2. Step 2: Convert to fraction form
    320,743.33/481,221.89 = 107,532.34/x
  3. Step 3: Cross multiply
    320,743.33x = 481,221.89 × 107,532.34
  4. Step 4: Simplify right side
    320,743.33x = 51,746,915,890.92
  5. Step 5: Solve for x
    x = 51,746,915,890.92/320,743.33
  6. Step 6: Final answer
    x = 161,334.35

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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.