Home / 319,786.82-479,596.64-95,086.76

Finding the Fourth Proportional to 319,786.82, 479,596.64 and 95,086.76

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Solution

The fourth proportional to 319,786.82, 479,596.64 and 95,086.76 is: 142,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,786.82 : 479,596.64 = 95,086.76 : x
  2. Step 2: Convert to fraction form
    319,786.82/479,596.64 = 95,086.76/x
  3. Step 3: Cross multiply
    319,786.82x = 479,596.64 × 95,086.76
  4. Step 4: Simplify right side
    319,786.82x = 45,603,290,604.49
  5. Step 5: Solve for x
    x = 45,603,290,604.49/319,786.82
  6. Step 6: Final answer
    x = 142,605.28

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1.5x scale

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.