Home / 141,809.44-195,698.32-78,149.52

Finding the Fourth Proportional to 141,809.44, 195,698.32 and 78,149.52

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Solution

The fourth proportional to 141,809.44, 195,698.32 and 78,149.52 is: 107,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,809.44 : 195,698.32 = 78,149.52 : x
  2. Step 2: Convert to fraction form
    141,809.44/195,698.32 = 78,149.52/x
  3. Step 3: Cross multiply
    141,809.44x = 195,698.32 × 78,149.52
  4. Step 4: Simplify right side
    141,809.44x = 15,293,729,772.81
  5. Step 5: Solve for x
    x = 15,293,729,772.81/141,809.44
  6. Step 6: Final answer
    x = 107,847.05

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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.