Home / 185,067.40-277,559.54-85,131.60

Finding the Fourth Proportional to 185,067.40, 277,559.54 and 85,131.60

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Solution

The fourth proportional to 185,067.40, 277,559.54 and 85,131.60 is: 127,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,067.40 : 277,559.54 = 85,131.60 : x
  2. Step 2: Convert to fraction form
    185,067.40/277,559.54 = 85,131.60/x
  3. Step 3: Cross multiply
    185,067.40x = 277,559.54 × 85,131.60
  4. Step 4: Simplify right side
    185,067.40x = 23,629,087,735.46
  5. Step 5: Solve for x
    x = 23,629,087,735.46/185,067.40
  6. Step 6: Final answer
    x = 127,678.28

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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.