Home / 213,075.36-319,687.56-94,735.44

Finding the Fourth Proportional to 213,075.36, 319,687.56 and 94,735.44

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Solution

The fourth proportional to 213,075.36, 319,687.56 and 94,735.44 is: 142,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,075.36 : 319,687.56 = 94,735.44 : x
  2. Step 2: Convert to fraction form
    213,075.36/319,687.56 = 94,735.44/x
  3. Step 3: Cross multiply
    213,075.36x = 319,687.56 × 94,735.44
  4. Step 4: Simplify right side
    213,075.36x = 30,285,741,659.13
  5. Step 5: Solve for x
    x = 30,285,741,659.13/213,075.36
  6. Step 6: Final answer
    x = 142,136.29

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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.