Home / 141,713.36-195,560.49-77,181.18

Finding the Fourth Proportional to 141,713.36, 195,560.49 and 77,181.18

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Solution

The fourth proportional to 141,713.36, 195,560.49 and 77,181.18 is: 106,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,713.36 : 195,560.49 = 77,181.18 : x
  2. Step 2: Convert to fraction form
    141,713.36/195,560.49 = 77,181.18/x
  3. Step 3: Cross multiply
    141,713.36x = 195,560.49 × 77,181.18
  4. Step 4: Simplify right side
    141,713.36x = 15,093,589,379.58
  5. Step 5: Solve for x
    x = 15,093,589,379.58/141,713.36
  6. Step 6: Final answer
    x = 106,507.88

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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.