Home / 114,268.08-171,512.80-55,145.28

Finding the Fourth Proportional to 114,268.08, 171,512.80 and 55,145.28

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Solution

The fourth proportional to 114,268.08, 171,512.80 and 55,145.28 is: 82,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,268.08 : 171,512.80 = 55,145.28 : x
  2. Step 2: Convert to fraction form
    114,268.08/171,512.80 = 55,145.28/x
  3. Step 3: Cross multiply
    114,268.08x = 171,512.80 × 55,145.28
  4. Step 4: Simplify right side
    114,268.08x = 9,458,121,379.58
  5. Step 5: Solve for x
    x = 9,458,121,379.58/114,268.08
  6. Step 6: Final answer
    x = 82,771.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.