Home / 213,361.20-294,434.22-117,867

Finding the Fourth Proportional to 213,361.20, 294,434.22 and 117,867

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Solution

The fourth proportional to 213,361.20, 294,434.22 and 117,867 is: 162,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,361.20 : 294,434.22 = 117,867 : x
  2. Step 2: Convert to fraction form
    213,361.20/294,434.22 = 117,867/x
  3. Step 3: Cross multiply
    213,361.20x = 294,434.22 × 117,867
  4. Step 4: Simplify right side
    213,361.20x = 34,704,078,208.74
  5. Step 5: Solve for x
    x = 34,704,078,208.74/213,361.20
  6. Step 6: Final answer
    x = 162,654.12

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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.