Home / 213,361.11-294,436.58-117,865.80

Finding the Fourth Proportional to 213,361.11, 294,436.58 and 117,865.80

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Solution

The fourth proportional to 213,361.11, 294,436.58 and 117,865.80 is: 162,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,361.11 : 294,436.58 = 117,865.80 : x
  2. Step 2: Convert to fraction form
    213,361.11/294,436.58 = 117,865.80/x
  3. Step 3: Cross multiply
    213,361.11x = 294,436.58 × 117,865.80
  4. Step 4: Simplify right side
    213,361.11x = 34,704,002,461.64
  5. Step 5: Solve for x
    x = 34,704,002,461.64/213,361.11
  6. Step 6: Final answer
    x = 162,653.83

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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.