Home / 192,623.72-265,806.27-107,724.38

Finding the Fourth Proportional to 192,623.72, 265,806.27 and 107,724.38

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Solution

The fourth proportional to 192,623.72, 265,806.27 and 107,724.38 is: 148,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,623.72 : 265,806.27 = 107,724.38 : x
  2. Step 2: Convert to fraction form
    192,623.72/265,806.27 = 107,724.38/x
  3. Step 3: Cross multiply
    192,623.72x = 265,806.27 × 107,724.38
  4. Step 4: Simplify right side
    192,623.72x = 28,633,814,306.83
  5. Step 5: Solve for x
    x = 28,633,814,306.83/192,623.72
  6. Step 6: Final answer
    x = 148,651.55

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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.