Home / 213,198.39-294,214.22-117,705.27

Finding the Fourth Proportional to 213,198.39, 294,214.22 and 117,705.27

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Solution

The fourth proportional to 213,198.39, 294,214.22 and 117,705.27 is: 162,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,198.39 : 294,214.22 = 117,705.27 : x
  2. Step 2: Convert to fraction form
    213,198.39/294,214.22 = 117,705.27/x
  3. Step 3: Cross multiply
    213,198.39x = 294,214.22 × 117,705.27
  4. Step 4: Simplify right side
    213,198.39x = 34,630,563,614.41
  5. Step 5: Solve for x
    x = 34,630,563,614.41/213,198.39
  6. Step 6: Final answer
    x = 162,433.51

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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.