Home / 141,713.75-195,560.96-77,181.54

Finding the Fourth Proportional to 141,713.75, 195,560.96 and 77,181.54

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Solution

The fourth proportional to 141,713.75, 195,560.96 and 77,181.54 is: 106,508.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,713.75 : 195,560.96 = 77,181.54 : x
  2. Step 2: Convert to fraction form
    141,713.75/195,560.96 = 77,181.54/x
  3. Step 3: Cross multiply
    141,713.75x = 195,560.96 × 77,181.54
  4. Step 4: Simplify right side
    141,713.75x = 15,093,695,670.77
  5. Step 5: Solve for x
    x = 15,093,695,670.77/141,713.75
  6. Step 6: Final answer
    x = 106,508.34

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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.