Home / 198,161.68-273,327.67-126,509.41

Finding the Fourth Proportional to 198,161.68, 273,327.67 and 126,509.41

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Solution

The fourth proportional to 198,161.68, 273,327.67 and 126,509.41 is: 174,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,161.68 : 273,327.67 = 126,509.41 : x
  2. Step 2: Convert to fraction form
    198,161.68/273,327.67 = 126,509.41/x
  3. Step 3: Cross multiply
    198,161.68x = 273,327.67 × 126,509.41
  4. Step 4: Simplify right side
    198,161.68x = 34,578,521,704.02
  5. Step 5: Solve for x
    x = 34,578,521,704.02/198,161.68
  6. Step 6: Final answer
    x = 174,496.51

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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.