Home / 347,112.35-479,008.70-196,209.35

Finding the Fourth Proportional to 347,112.35, 479,008.70 and 196,209.35

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Solution

The fourth proportional to 347,112.35, 479,008.70 and 196,209.35 is: 270,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,112.35 : 479,008.70 = 196,209.35 : x
  2. Step 2: Convert to fraction form
    347,112.35/479,008.70 = 196,209.35/x
  3. Step 3: Cross multiply
    347,112.35x = 479,008.70 × 196,209.35
  4. Step 4: Simplify right side
    347,112.35x = 93,985,985,887.82
  5. Step 5: Solve for x
    x = 93,985,985,887.82/347,112.35
  6. Step 6: Final answer
    x = 270,765.32

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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.