Home / 248,923.11-343,413.54-144,078.10

Finding the Fourth Proportional to 248,923.11, 343,413.54 and 144,078.10

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Solution

The fourth proportional to 248,923.11, 343,413.54 and 144,078.10 is: 198,769.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,923.11 : 343,413.54 = 144,078.10 : x
  2. Step 2: Convert to fraction form
    248,923.11/343,413.54 = 144,078.10/x
  3. Step 3: Cross multiply
    248,923.11x = 343,413.54 × 144,078.10
  4. Step 4: Simplify right side
    248,923.11x = 49,478,370,357.47
  5. Step 5: Solve for x
    x = 49,478,370,357.47/248,923.11
  6. Step 6: Final answer
    x = 198,769.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.