Home / 141,290.92-195,014.96-80,896.31

Finding the Fourth Proportional to 141,290.92, 195,014.96 and 80,896.31

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Solution

The fourth proportional to 141,290.92, 195,014.96 and 80,896.31 is: 111,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,290.92 : 195,014.96 = 80,896.31 : x
  2. Step 2: Convert to fraction form
    141,290.92/195,014.96 = 80,896.31/x
  3. Step 3: Cross multiply
    141,290.92x = 195,014.96 × 80,896.31
  4. Step 4: Simplify right side
    141,290.92x = 15,775,990,658.80
  5. Step 5: Solve for x
    x = 15,775,990,658.80/141,290.92
  6. Step 6: Final answer
    x = 111,656.08

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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.