Home / 165,723.70-248,585.55-119,413.30

Finding the Fourth Proportional to 165,723.70, 248,585.55 and 119,413.30

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Solution

The fourth proportional to 165,723.70, 248,585.55 and 119,413.30 is: 179,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,723.70 : 248,585.55 = 119,413.30 : x
  2. Step 2: Convert to fraction form
    165,723.70/248,585.55 = 119,413.30/x
  3. Step 3: Cross multiply
    165,723.70x = 248,585.55 × 119,413.30
  4. Step 4: Simplify right side
    165,723.70x = 29,684,420,857.82
  5. Step 5: Solve for x
    x = 29,684,420,857.82/165,723.70
  6. Step 6: Final answer
    x = 179,119.95

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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.