Home / 192,502.31-265,686-111,976.52

Finding the Fourth Proportional to 192,502.31, 265,686 and 111,976.52

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Solution

The fourth proportional to 192,502.31, 265,686 and 111,976.52 is: 154,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,502.31 : 265,686 = 111,976.52 : x
  2. Step 2: Convert to fraction form
    192,502.31/265,686 = 111,976.52/x
  3. Step 3: Cross multiply
    192,502.31x = 265,686 × 111,976.52
  4. Step 4: Simplify right side
    192,502.31x = 29,750,593,692.72
  5. Step 5: Solve for x
    x = 29,750,593,692.72/192,502.31
  6. Step 6: Final answer
    x = 154,546.68

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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.