Home / 208,736.76-288,048.96-113,241.42

Finding the Fourth Proportional to 208,736.76, 288,048.96 and 113,241.42

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Solution

The fourth proportional to 208,736.76, 288,048.96 and 113,241.42 is: 156,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,736.76 : 288,048.96 = 113,241.42 : x
  2. Step 2: Convert to fraction form
    208,736.76/288,048.96 = 113,241.42/x
  3. Step 3: Cross multiply
    208,736.76x = 288,048.96 × 113,241.42
  4. Step 4: Simplify right side
    208,736.76x = 32,619,073,259.92
  5. Step 5: Solve for x
    x = 32,619,073,259.92/208,736.76
  6. Step 6: Final answer
    x = 156,268.94

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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.