Home / 141,083.97-194,698.31-77,427.69

Finding the Fourth Proportional to 141,083.97, 194,698.31 and 77,427.69

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Solution

The fourth proportional to 141,083.97, 194,698.31 and 77,427.69 is: 106,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,083.97 : 194,698.31 = 77,427.69 : x
  2. Step 2: Convert to fraction form
    141,083.97/194,698.31 = 77,427.69/x
  3. Step 3: Cross multiply
    141,083.97x = 194,698.31 × 77,427.69
  4. Step 4: Simplify right side
    141,083.97x = 15,075,040,003.07
  5. Step 5: Solve for x
    x = 15,075,040,003.07/141,083.97
  6. Step 6: Final answer
    x = 106,851.54

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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.