Home / 141,093.09-194,704.07-77,429.25

Finding the Fourth Proportional to 141,093.09, 194,704.07 and 77,429.25

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Solution

The fourth proportional to 141,093.09, 194,704.07 and 77,429.25 is: 106,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,093.09 : 194,704.07 = 77,429.25 : x
  2. Step 2: Convert to fraction form
    141,093.09/194,704.07 = 77,429.25/x
  3. Step 3: Cross multiply
    141,093.09x = 194,704.07 × 77,429.25
  4. Step 4: Simplify right side
    141,093.09x = 15,075,789,138.53
  5. Step 5: Solve for x
    x = 15,075,789,138.53/141,093.09
  6. Step 6: Final answer
    x = 106,849.95

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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.