Home / 445,575.21-668,537.78-196,082.25

Finding the Fourth Proportional to 445,575.21, 668,537.78 and 196,082.25

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Solution

The fourth proportional to 445,575.21, 668,537.78 and 196,082.25 is: 294,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,575.21 : 668,537.78 = 196,082.25 : x
  2. Step 2: Convert to fraction form
    445,575.21/668,537.78 = 196,082.25/x
  3. Step 3: Cross multiply
    445,575.21x = 668,537.78 × 196,082.25
  4. Step 4: Simplify right side
    445,575.21x = 131,088,391,131.99
  5. Step 5: Solve for x
    x = 131,088,391,131.99/445,575.21
  6. Step 6: Final answer
    x = 294,200.37

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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.