Home / 143,791.08-198,375.12-96,075.60

Finding the Fourth Proportional to 143,791.08, 198,375.12 and 96,075.60

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Solution

The fourth proportional to 143,791.08, 198,375.12 and 96,075.60 is: 132,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,791.08 : 198,375.12 = 96,075.60 : x
  2. Step 2: Convert to fraction form
    143,791.08/198,375.12 = 96,075.60/x
  3. Step 3: Cross multiply
    143,791.08x = 198,375.12 × 96,075.60
  4. Step 4: Simplify right side
    143,791.08x = 19,059,008,679.07
  5. Step 5: Solve for x
    x = 19,059,008,679.07/143,791.08
  6. Step 6: Final answer
    x = 132,546.53

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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.