Home / 347,153.45-520,057.67-196,939.35

Finding the Fourth Proportional to 347,153.45, 520,057.67 and 196,939.35

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Solution

The fourth proportional to 347,153.45, 520,057.67 and 196,939.35 is: 295,027.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,153.45 : 520,057.67 = 196,939.35 : x
  2. Step 2: Convert to fraction form
    347,153.45/520,057.67 = 196,939.35/x
  3. Step 3: Cross multiply
    347,153.45x = 520,057.67 × 196,939.35
  4. Step 4: Simplify right side
    347,153.45x = 102,419,818,507.62
  5. Step 5: Solve for x
    x = 102,419,818,507.62/347,153.45
  6. Step 6: Final answer
    x = 295,027.52

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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.