Home / 213,858.06-295,146.09-123,217.44

Finding the Fourth Proportional to 213,858.06, 295,146.09 and 123,217.44

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Solution

The fourth proportional to 213,858.06, 295,146.09 and 123,217.44 is: 170,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,858.06 : 295,146.09 = 123,217.44 : x
  2. Step 2: Convert to fraction form
    213,858.06/295,146.09 = 123,217.44/x
  3. Step 3: Cross multiply
    213,858.06x = 295,146.09 × 123,217.44
  4. Step 4: Simplify right side
    213,858.06x = 36,367,145,635.81
  5. Step 5: Solve for x
    x = 36,367,145,635.81/213,858.06
  6. Step 6: Final answer
    x = 170,052.72

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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.