Home / 141,662.44-195,494.88-81,235.36

Finding the Fourth Proportional to 141,662.44, 195,494.88 and 81,235.36

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Solution

The fourth proportional to 141,662.44, 195,494.88 and 81,235.36 is: 112,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,662.44 : 195,494.88 = 81,235.36 : x
  2. Step 2: Convert to fraction form
    141,662.44/195,494.88 = 81,235.36/x
  3. Step 3: Cross multiply
    141,662.44x = 195,494.88 × 81,235.36
  4. Step 4: Simplify right side
    141,662.44x = 15,881,096,954.96
  5. Step 5: Solve for x
    x = 15,881,096,954.96/141,662.44
  6. Step 6: Final answer
    x = 112,105.21

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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.