Home / 225,670.12-336,487.63-219,469.98

Finding the Fourth Proportional to 225,670.12, 336,487.63 and 219,469.98

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Solution

The fourth proportional to 225,670.12, 336,487.63 and 219,469.98 is: 327,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,670.12 : 336,487.63 = 219,469.98 : x
  2. Step 2: Convert to fraction form
    225,670.12/336,487.63 = 219,469.98/x
  3. Step 3: Cross multiply
    225,670.12x = 336,487.63 × 219,469.98
  4. Step 4: Simplify right side
    225,670.12x = 73,848,933,133.80
  5. Step 5: Solve for x
    x = 73,848,933,133.80/225,670.12
  6. Step 6: Final answer
    x = 327,242.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.