Home / 325,630.46-449,370.03-198,306.05

Finding the Fourth Proportional to 325,630.46, 449,370.03 and 198,306.05

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Solution

The fourth proportional to 325,630.46, 449,370.03 and 198,306.05 is: 273,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,630.46 : 449,370.03 = 198,306.05 : x
  2. Step 2: Convert to fraction form
    325,630.46/449,370.03 = 198,306.05/x
  3. Step 3: Cross multiply
    325,630.46x = 449,370.03 × 198,306.05
  4. Step 4: Simplify right side
    325,630.46x = 89,112,793,390.83
  5. Step 5: Solve for x
    x = 89,112,793,390.83/325,630.46
  6. Step 6: Final answer
    x = 273,662.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.