Home / 209,268.56-288,784.68-113,773.04

Finding the Fourth Proportional to 209,268.56, 288,784.68 and 113,773.04

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Solution

The fourth proportional to 209,268.56, 288,784.68 and 113,773.04 is: 157,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,268.56 : 288,784.68 = 113,773.04 : x
  2. Step 2: Convert to fraction form
    209,268.56/288,784.68 = 113,773.04/x
  3. Step 3: Cross multiply
    209,268.56x = 288,784.68 × 113,773.04
  4. Step 4: Simplify right side
    209,268.56x = 32,855,910,949.03
  5. Step 5: Solve for x
    x = 32,855,910,949.03/209,268.56
  6. Step 6: Final answer
    x = 157,003.57

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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.