Home / 141,020.19-194,604.53-77,357.43

Finding the Fourth Proportional to 141,020.19, 194,604.53 and 77,357.43

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Solution

The fourth proportional to 141,020.19, 194,604.53 and 77,357.43 is: 106,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,020.19 : 194,604.53 = 77,357.43 : x
  2. Step 2: Convert to fraction form
    141,020.19/194,604.53 = 77,357.43/x
  3. Step 3: Cross multiply
    141,020.19x = 194,604.53 × 77,357.43
  4. Step 4: Simplify right side
    141,020.19x = 15,054,105,920.37
  5. Step 5: Solve for x
    x = 15,054,105,920.37/141,020.19
  6. Step 6: Final answer
    x = 106,751.42

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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.