Home / 213,489.41-294,630.66-117,994.05

Finding the Fourth Proportional to 213,489.41, 294,630.66 and 117,994.05

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Solution

The fourth proportional to 213,489.41, 294,630.66 and 117,994.05 is: 162,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,489.41 : 294,630.66 = 117,994.05 : x
  2. Step 2: Convert to fraction form
    213,489.41/294,630.66 = 117,994.05/x
  3. Step 3: Cross multiply
    213,489.41x = 294,630.66 × 117,994.05
  4. Step 4: Simplify right side
    213,489.41x = 34,764,664,827.57
  5. Step 5: Solve for x
    x = 34,764,664,827.57/213,489.41
  6. Step 6: Final answer
    x = 162,840.23

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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.