Home / 250,422.18-375,694.92-72,930.66

Finding the Fourth Proportional to 250,422.18, 375,694.92 and 72,930.66

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Solution

The fourth proportional to 250,422.18, 375,694.92 and 72,930.66 is: 109,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,422.18 : 375,694.92 = 72,930.66 : x
  2. Step 2: Convert to fraction form
    250,422.18/375,694.92 = 72,930.66/x
  3. Step 3: Cross multiply
    250,422.18x = 375,694.92 × 72,930.66
  4. Step 4: Simplify right side
    250,422.18x = 27,399,678,474.25
  5. Step 5: Solve for x
    x = 27,399,678,474.25/250,422.18
  6. Step 6: Final answer
    x = 109,413.94

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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.