Home / 223,388.06-308,277.22-121,413.56

Finding the Fourth Proportional to 223,388.06, 308,277.22 and 121,413.56

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Solution

The fourth proportional to 223,388.06, 308,277.22 and 121,413.56 is: 167,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,388.06 : 308,277.22 = 121,413.56 : x
  2. Step 2: Convert to fraction form
    223,388.06/308,277.22 = 121,413.56/x
  3. Step 3: Cross multiply
    223,388.06x = 308,277.22 × 121,413.56
  4. Step 4: Simplify right side
    223,388.06x = 37,429,034,747.10
  5. Step 5: Solve for x
    x = 37,429,034,747.10/223,388.06
  6. Step 6: Final answer
    x = 167,551.64

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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.