Home / 347,119.92-479,012.40-196,220.16

Finding the Fourth Proportional to 347,119.92, 479,012.40 and 196,220.16

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Solution

The fourth proportional to 347,119.92, 479,012.40 and 196,220.16 is: 270,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,119.92 : 479,012.40 = 196,220.16 : x
  2. Step 2: Convert to fraction form
    347,119.92/479,012.40 = 196,220.16/x
  3. Step 3: Cross multiply
    347,119.92x = 479,012.40 × 196,220.16
  4. Step 4: Simplify right side
    347,119.92x = 93,991,889,769.98
  5. Step 5: Solve for x
    x = 93,991,889,769.98/347,119.92
  6. Step 6: Final answer
    x = 270,776.42

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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.