Home / 141,794.04-195,684.48-78,131.82

Finding the Fourth Proportional to 141,794.04, 195,684.48 and 78,131.82

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Solution

The fourth proportional to 141,794.04, 195,684.48 and 78,131.82 is: 107,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,794.04 : 195,684.48 = 78,131.82 : x
  2. Step 2: Convert to fraction form
    141,794.04/195,684.48 = 78,131.82/x
  3. Step 3: Cross multiply
    141,794.04x = 195,684.48 × 78,131.82
  4. Step 4: Simplify right side
    141,794.04x = 15,289,184,568.15
  5. Step 5: Solve for x
    x = 15,289,184,568.15/141,794.04
  6. Step 6: Final answer
    x = 107,826.71

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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.