Home / 307,520.56-461,283.90-107,845.84

Finding the Fourth Proportional to 307,520.56, 461,283.90 and 107,845.84

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Solution

The fourth proportional to 307,520.56, 461,283.90 and 107,845.84 is: 161,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,520.56 : 461,283.90 = 107,845.84 : x
  2. Step 2: Convert to fraction form
    307,520.56/461,283.90 = 107,845.84/x
  3. Step 3: Cross multiply
    307,520.56x = 461,283.90 × 107,845.84
  4. Step 4: Simplify right side
    307,520.56x = 49,747,549,673.98
  5. Step 5: Solve for x
    x = 49,747,549,673.98/307,520.56
  6. Step 6: Final answer
    x = 161,769.83

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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.