Home / 361,161.19-498,401.39-208,198.49

Finding the Fourth Proportional to 361,161.19, 498,401.39 and 208,198.49

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Solution

The fourth proportional to 361,161.19, 498,401.39 and 208,198.49 is: 287,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,161.19 : 498,401.39 = 208,198.49 : x
  2. Step 2: Convert to fraction form
    361,161.19/498,401.39 = 208,198.49/x
  3. Step 3: Cross multiply
    361,161.19x = 498,401.39 × 208,198.49
  4. Step 4: Simplify right side
    361,161.19x = 103,766,418,578.40
  5. Step 5: Solve for x
    x = 103,766,418,578.40/361,161.19
  6. Step 6: Final answer
    x = 287,313.32

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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.