Home / 445,613.46-668,595.24-196,120.50

Finding the Fourth Proportional to 445,613.46, 668,595.24 and 196,120.50

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Solution

The fourth proportional to 445,613.46, 668,595.24 and 196,120.50 is: 294,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,613.46 : 668,595.24 = 196,120.50 : x
  2. Step 2: Convert to fraction form
    445,613.46/668,595.24 = 196,120.50/x
  3. Step 3: Cross multiply
    445,613.46x = 668,595.24 × 196,120.50
  4. Step 4: Simplify right side
    445,613.46x = 131,125,232,766.42
  5. Step 5: Solve for x
    x = 131,125,232,766.42/445,613.46
  6. Step 6: Final answer
    x = 294,257.79

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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.