Home / 198,062.88-273,302.22-126,484.80

Finding the Fourth Proportional to 198,062.88, 273,302.22 and 126,484.80

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Solution

The fourth proportional to 198,062.88, 273,302.22 and 126,484.80 is: 174,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,062.88 : 273,302.22 = 126,484.80 : x
  2. Step 2: Convert to fraction form
    198,062.88/273,302.22 = 126,484.80/x
  3. Step 3: Cross multiply
    198,062.88x = 273,302.22 × 126,484.80
  4. Step 4: Simplify right side
    198,062.88x = 34,568,576,636.26
  5. Step 5: Solve for x
    x = 34,568,576,636.26/198,062.88
  6. Step 6: Final answer
    x = 174,533.34

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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.