Home / 248,844.73-343,405.91-135,667.48

Finding the Fourth Proportional to 248,844.73, 343,405.91 and 135,667.48

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Solution

The fourth proportional to 248,844.73, 343,405.91 and 135,667.48 is: 187,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,844.73 : 343,405.91 = 135,667.48 : x
  2. Step 2: Convert to fraction form
    248,844.73/343,405.91 = 135,667.48/x
  3. Step 3: Cross multiply
    248,844.73x = 343,405.91 × 135,667.48
  4. Step 4: Simplify right side
    248,844.73x = 46,589,014,426.81
  5. Step 5: Solve for x
    x = 46,589,014,426.81/248,844.73
  6. Step 6: Final answer
    x = 187,221.22

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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.