Home / 141,467.70-195,227.06-77,806.56

Finding the Fourth Proportional to 141,467.70, 195,227.06 and 77,806.56

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Solution

The fourth proportional to 141,467.70, 195,227.06 and 77,806.56 is: 107,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,467.70 : 195,227.06 = 77,806.56 : x
  2. Step 2: Convert to fraction form
    141,467.70/195,227.06 = 77,806.56/x
  3. Step 3: Cross multiply
    141,467.70x = 195,227.06 × 77,806.56
  4. Step 4: Simplify right side
    141,467.70x = 15,189,945,568.48
  5. Step 5: Solve for x
    x = 15,189,945,568.48/141,467.70
  6. Step 6: Final answer
    x = 107,373.95

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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.