Home / 208,734.48-288,053.68-113,241.15

Finding the Fourth Proportional to 208,734.48, 288,053.68 and 113,241.15

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Solution

The fourth proportional to 208,734.48, 288,053.68 and 113,241.15 is: 156,272.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,734.48 : 288,053.68 = 113,241.15 : x
  2. Step 2: Convert to fraction form
    208,734.48/288,053.68 = 113,241.15/x
  3. Step 3: Cross multiply
    208,734.48x = 288,053.68 × 113,241.15
  4. Step 4: Simplify right side
    208,734.48x = 32,619,529,984.93
  5. Step 5: Solve for x
    x = 32,619,529,984.93/208,734.48
  6. Step 6: Final answer
    x = 156,272.84

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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.