Home / 320,769.16-481,260.62-107,558.15

Finding the Fourth Proportional to 320,769.16, 481,260.62 and 107,558.15

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Solution

The fourth proportional to 320,769.16, 481,260.62 and 107,558.15 is: 161,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,769.16 : 481,260.62 = 107,558.15 : x
  2. Step 2: Convert to fraction form
    320,769.16/481,260.62 = 107,558.15/x
  3. Step 3: Cross multiply
    320,769.16x = 481,260.62 × 107,558.15
  4. Step 4: Simplify right side
    320,769.16x = 51,763,499,817.65
  5. Step 5: Solve for x
    x = 51,763,499,817.65/320,769.16
  6. Step 6: Final answer
    x = 161,373.06

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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.