Home / 220,895.70-331,343.55-196,401.30

Finding the Fourth Proportional to 220,895.70, 331,343.55 and 196,401.30

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Solution

The fourth proportional to 220,895.70, 331,343.55 and 196,401.30 is: 294,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,895.70 : 331,343.55 = 196,401.30 : x
  2. Step 2: Convert to fraction form
    220,895.70/331,343.55 = 196,401.30/x
  3. Step 3: Cross multiply
    220,895.70x = 331,343.55 × 196,401.30
  4. Step 4: Simplify right side
    220,895.70x = 65,076,303,966.62
  5. Step 5: Solve for x
    x = 65,076,303,966.62/220,895.70
  6. Step 6: Final answer
    x = 294,601.95

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1.5x scale

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.