Home / 197,986.65-273,223.53-107,342.37

Finding the Fourth Proportional to 197,986.65, 273,223.53 and 107,342.37

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Solution

The fourth proportional to 197,986.65, 273,223.53 and 107,342.37 is: 148,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,986.65 : 273,223.53 = 107,342.37 : x
  2. Step 2: Convert to fraction form
    197,986.65/273,223.53 = 107,342.37/x
  3. Step 3: Cross multiply
    197,986.65x = 273,223.53 × 107,342.37
  4. Step 4: Simplify right side
    197,986.65x = 29,328,461,249.97
  5. Step 5: Solve for x
    x = 29,328,461,249.97/197,986.65
  6. Step 6: Final answer
    x = 148,133.53

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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.