Home / 198,187.94-273,421.50-113,259.44

Finding the Fourth Proportional to 198,187.94, 273,421.50 and 113,259.44

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Solution

The fourth proportional to 198,187.94, 273,421.50 and 113,259.44 is: 156,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,187.94 : 273,421.50 = 113,259.44 : x
  2. Step 2: Convert to fraction form
    198,187.94/273,421.50 = 113,259.44/x
  3. Step 3: Cross multiply
    198,187.94x = 273,421.50 × 113,259.44
  4. Step 4: Simplify right side
    198,187.94x = 30,967,565,973.96
  5. Step 5: Solve for x
    x = 30,967,565,973.96/198,187.94
  6. Step 6: Final answer
    x = 156,253.53

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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.