Home / 211,845.58-292,436.37-143,028.27

Finding the Fourth Proportional to 211,845.58, 292,436.37 and 143,028.27

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Solution

The fourth proportional to 211,845.58, 292,436.37 and 143,028.27 is: 197,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,845.58 : 292,436.37 = 143,028.27 : x
  2. Step 2: Convert to fraction form
    211,845.58/292,436.37 = 143,028.27/x
  3. Step 3: Cross multiply
    211,845.58x = 292,436.37 × 143,028.27
  4. Step 4: Simplify right side
    211,845.58x = 41,826,667,371.04
  5. Step 5: Solve for x
    x = 41,826,667,371.04/211,845.58
  6. Step 6: Final answer
    x = 197,439.41

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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.