Home / 193,220.82-266,660.19-107,188.29

Finding the Fourth Proportional to 193,220.82, 266,660.19 and 107,188.29

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Solution

The fourth proportional to 193,220.82, 266,660.19 and 107,188.29 is: 147,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,220.82 : 266,660.19 = 107,188.29 : x
  2. Step 2: Convert to fraction form
    193,220.82/266,660.19 = 107,188.29/x
  3. Step 3: Cross multiply
    193,220.82x = 266,660.19 × 107,188.29
  4. Step 4: Simplify right side
    193,220.82x = 28,582,849,777.18
  5. Step 5: Solve for x
    x = 28,582,849,777.18/193,220.82
  6. Step 6: Final answer
    x = 147,928.42

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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.