Home / 316,923.03-475,086.78-106,413.30

Finding the Fourth Proportional to 316,923.03, 475,086.78 and 106,413.30

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Solution

The fourth proportional to 316,923.03, 475,086.78 and 106,413.30 is: 159,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,923.03 : 475,086.78 = 106,413.30 : x
  2. Step 2: Convert to fraction form
    316,923.03/475,086.78 = 106,413.30/x
  3. Step 3: Cross multiply
    316,923.03x = 475,086.78 × 106,413.30
  4. Step 4: Simplify right side
    316,923.03x = 50,555,552,046.17
  5. Step 5: Solve for x
    x = 50,555,552,046.17/316,923.03
  6. Step 6: Final answer
    x = 159,519.97

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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.