Home / 168,380.08-232,394.64-100,401.44

Finding the Fourth Proportional to 168,380.08, 232,394.64 and 100,401.44

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Solution

The fourth proportional to 168,380.08, 232,394.64 and 100,401.44 is: 138,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,380.08 : 232,394.64 = 100,401.44 : x
  2. Step 2: Convert to fraction form
    168,380.08/232,394.64 = 100,401.44/x
  3. Step 3: Cross multiply
    168,380.08x = 232,394.64 × 100,401.44
  4. Step 4: Simplify right side
    168,380.08x = 23,332,756,504.28
  5. Step 5: Solve for x
    x = 23,332,756,504.28/168,380.08
  6. Step 6: Final answer
    x = 138,571.95

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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.