Home / 144,743.98-199,757.76-91,075

Finding the Fourth Proportional to 144,743.98, 199,757.76 and 91,075

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Solution

The fourth proportional to 144,743.98, 199,757.76 and 91,075 is: 125,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,743.98 : 199,757.76 = 91,075 : x
  2. Step 2: Convert to fraction form
    144,743.98/199,757.76 = 91,075/x
  3. Step 3: Cross multiply
    144,743.98x = 199,757.76 × 91,075
  4. Step 4: Simplify right side
    144,743.98x = 18,192,937,992
  5. Step 5: Solve for x
    x = 18,192,937,992/144,743.98
  6. Step 6: Final answer
    x = 125,690.46

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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.