Home / 209,165.25-289,408.05-182,363.58

Finding the Fourth Proportional to 209,165.25, 289,408.05 and 182,363.58

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Solution

The fourth proportional to 209,165.25, 289,408.05 and 182,363.58 is: 252,324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,165.25 : 289,408.05 = 182,363.58 : x
  2. Step 2: Convert to fraction form
    209,165.25/289,408.05 = 182,363.58/x
  3. Step 3: Cross multiply
    209,165.25x = 289,408.05 × 182,363.58
  4. Step 4: Simplify right side
    209,165.25x = 52,777,488,078.82
  5. Step 5: Solve for x
    x = 52,777,488,078.82/209,165.25
  6. Step 6: Final answer
    x = 252,324.36

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1.5x scale

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.