Home / 193,186.40-266,571.83-107,144.35

Finding the Fourth Proportional to 193,186.40, 266,571.83 and 107,144.35

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Solution

The fourth proportional to 193,186.40, 266,571.83 and 107,144.35 is: 147,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,186.40 : 266,571.83 = 107,144.35 : x
  2. Step 2: Convert to fraction form
    193,186.40/266,571.83 = 107,144.35/x
  3. Step 3: Cross multiply
    193,186.40x = 266,571.83 × 107,144.35
  4. Step 4: Simplify right side
    193,186.40x = 28,561,665,055.09
  5. Step 5: Solve for x
    x = 28,561,665,055.09/193,186.40
  6. Step 6: Final answer
    x = 147,845.12

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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.