Home / 141,993.44-195,947.79-78,331.22

Finding the Fourth Proportional to 141,993.44, 195,947.79 and 78,331.22

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Solution

The fourth proportional to 141,993.44, 195,947.79 and 78,331.22 is: 108,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,993.44 : 195,947.79 = 78,331.22 : x
  2. Step 2: Convert to fraction form
    141,993.44/195,947.79 = 78,331.22/x
  3. Step 3: Cross multiply
    141,993.44x = 195,947.79 × 78,331.22
  4. Step 4: Simplify right side
    141,993.44x = 15,348,829,348.94
  5. Step 5: Solve for x
    x = 15,348,829,348.94/141,993.44
  6. Step 6: Final answer
    x = 108,095.34

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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.