Home / 347,109.35-479,004.56-196,206.35

Finding the Fourth Proportional to 347,109.35, 479,004.56 and 196,206.35

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Solution

The fourth proportional to 347,109.35, 479,004.56 and 196,206.35 is: 270,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,109.35 : 479,004.56 = 196,206.35 : x
  2. Step 2: Convert to fraction form
    347,109.35/479,004.56 = 196,206.35/x
  3. Step 3: Cross multiply
    347,109.35x = 479,004.56 × 196,206.35
  4. Step 4: Simplify right side
    347,109.35x = 93,983,736,956.91
  5. Step 5: Solve for x
    x = 93,983,736,956.91/347,109.35
  6. Step 6: Final answer
    x = 270,761.18

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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.