Home / 197,845.33-273,031.64-121,406.66

Finding the Fourth Proportional to 197,845.33, 273,031.64 and 121,406.66

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Solution

The fourth proportional to 197,845.33, 273,031.64 and 121,406.66 is: 167,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,845.33 : 273,031.64 = 121,406.66 : x
  2. Step 2: Convert to fraction form
    197,845.33/273,031.64 = 121,406.66/x
  3. Step 3: Cross multiply
    197,845.33x = 273,031.64 × 121,406.66
  4. Step 4: Simplify right side
    197,845.33x = 33,147,857,514.53
  5. Step 5: Solve for x
    x = 33,147,857,514.53/197,845.33
  6. Step 6: Final answer
    x = 167,544.30

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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.