Home / 141,846.06-195,745.14-78,189.78

Finding the Fourth Proportional to 141,846.06, 195,745.14 and 78,189.78

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Solution

The fourth proportional to 141,846.06, 195,745.14 and 78,189.78 is: 107,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,846.06 : 195,745.14 = 78,189.78 : x
  2. Step 2: Convert to fraction form
    141,846.06/195,745.14 = 78,189.78/x
  3. Step 3: Cross multiply
    141,846.06x = 195,745.14 × 78,189.78
  4. Step 4: Simplify right side
    141,846.06x = 15,305,269,432.67
  5. Step 5: Solve for x
    x = 15,305,269,432.67/141,846.06
  6. Step 6: Final answer
    x = 107,900.56

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1.5x scale

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.