Home / 414,552.40-621,982.20-165,413.20

Finding the Fourth Proportional to 414,552.40, 621,982.20 and 165,413.20

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Solution

The fourth proportional to 414,552.40, 621,982.20 and 165,413.20 is: 248,181.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,552.40 : 621,982.20 = 165,413.20 : x
  2. Step 2: Convert to fraction form
    414,552.40/621,982.20 = 165,413.20/x
  3. Step 3: Cross multiply
    414,552.40x = 621,982.20 × 165,413.20
  4. Step 4: Simplify right side
    414,552.40x = 102,884,066,045.04
  5. Step 5: Solve for x
    x = 102,884,066,045.04/414,552.40
  6. Step 6: Final answer
    x = 248,181.09

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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.