Home / 209,184.44-288,676.78-113,691.15

Finding the Fourth Proportional to 209,184.44, 288,676.78 and 113,691.15

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Solution

The fourth proportional to 209,184.44, 288,676.78 and 113,691.15 is: 156,895.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,184.44 : 288,676.78 = 113,691.15 : x
  2. Step 2: Convert to fraction form
    209,184.44/288,676.78 = 113,691.15/x
  3. Step 3: Cross multiply
    209,184.44x = 288,676.78 × 113,691.15
  4. Step 4: Simplify right side
    209,184.44x = 32,819,994,812.27
  5. Step 5: Solve for x
    x = 32,819,994,812.27/209,184.44
  6. Step 6: Final answer
    x = 156,895.01

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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.