Home / 141,146.01-194,786.51-77,488.65

Finding the Fourth Proportional to 141,146.01, 194,786.51 and 77,488.65

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Solution

The fourth proportional to 141,146.01, 194,786.51 and 77,488.65 is: 106,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,146.01 : 194,786.51 = 77,488.65 : x
  2. Step 2: Convert to fraction form
    141,146.01/194,786.51 = 77,488.65/x
  3. Step 3: Cross multiply
    141,146.01x = 194,786.51 × 77,488.65
  4. Step 4: Simplify right side
    141,146.01x = 15,093,743,310.67
  5. Step 5: Solve for x
    x = 15,093,743,310.67/141,146.01
  6. Step 6: Final answer
    x = 106,937.09

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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.