Home / 141,949.64-195,883.44-78,283.64

Finding the Fourth Proportional to 141,949.64, 195,883.44 and 78,283.64

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Solution

The fourth proportional to 141,949.64, 195,883.44 and 78,283.64 is: 108,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,949.64 : 195,883.44 = 78,283.64 : x
  2. Step 2: Convert to fraction form
    141,949.64/195,883.44 = 78,283.64/x
  3. Step 3: Cross multiply
    141,949.64x = 195,883.44 × 78,283.64
  4. Step 4: Simplify right side
    141,949.64x = 15,334,468,698.92
  5. Step 5: Solve for x
    x = 15,334,468,698.92/141,949.64
  6. Step 6: Final answer
    x = 108,027.53

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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.