Home / 320,740.33-481,217.38-107,529.32

Finding the Fourth Proportional to 320,740.33, 481,217.38 and 107,529.32

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Solution

The fourth proportional to 320,740.33, 481,217.38 and 107,529.32 is: 161,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,740.33 : 481,217.38 = 107,529.32 : x
  2. Step 2: Convert to fraction form
    320,740.33/481,217.38 = 107,529.32/x
  3. Step 3: Cross multiply
    320,740.33x = 481,217.38 × 107,529.32
  4. Step 4: Simplify right side
    320,740.33x = 51,744,978,880.23
  5. Step 5: Solve for x
    x = 51,744,978,880.23/320,740.33
  6. Step 6: Final answer
    x = 161,329.82

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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.