Home / 198,606.44-297,816.01-72,157.52

Finding the Fourth Proportional to 198,606.44, 297,816.01 and 72,157.52

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Solution

The fourth proportional to 198,606.44, 297,816.01 and 72,157.52 is: 108,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,606.44 : 297,816.01 = 72,157.52 : x
  2. Step 2: Convert to fraction form
    198,606.44/297,816.01 = 72,157.52/x
  3. Step 3: Cross multiply
    198,606.44x = 297,816.01 × 72,157.52
  4. Step 4: Simplify right side
    198,606.44x = 21,489,664,697.90
  5. Step 5: Solve for x
    x = 21,489,664,697.90/198,606.44
  6. Step 6: Final answer
    x = 108,202.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.