Home / 319,415.27-479,222.66-94,776.82

Finding the Fourth Proportional to 319,415.27, 479,222.66 and 94,776.82

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Solution

The fourth proportional to 319,415.27, 479,222.66 and 94,776.82 is: 142,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,415.27 : 479,222.66 = 94,776.82 : x
  2. Step 2: Convert to fraction form
    319,415.27/479,222.66 = 94,776.82/x
  3. Step 3: Cross multiply
    319,415.27x = 479,222.66 × 94,776.82
  4. Step 4: Simplify right side
    319,415.27x = 45,419,198,825.63
  5. Step 5: Solve for x
    x = 45,419,198,825.63/319,415.27
  6. Step 6: Final answer
    x = 142,194.83

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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.