Home / 133,115.02-198,517.90-113,519.50

Finding the Fourth Proportional to 133,115.02, 198,517.90 and 113,519.50

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Solution

The fourth proportional to 133,115.02, 198,517.90 and 113,519.50 is: 169,294.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,115.02 : 198,517.90 = 113,519.50 : x
  2. Step 2: Convert to fraction form
    133,115.02/198,517.90 = 113,519.50/x
  3. Step 3: Cross multiply
    133,115.02x = 198,517.90 × 113,519.50
  4. Step 4: Simplify right side
    133,115.02x = 22,535,652,749.05
  5. Step 5: Solve for x
    x = 22,535,652,749.05/133,115.02
  6. Step 6: Final answer
    x = 169,294.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.