Home / 141,925.44-195,847.08-78,261.84

Finding the Fourth Proportional to 141,925.44, 195,847.08 and 78,261.84

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Solution

The fourth proportional to 141,925.44, 195,847.08 and 78,261.84 is: 107,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,925.44 : 195,847.08 = 78,261.84 : x
  2. Step 2: Convert to fraction form
    141,925.44/195,847.08 = 78,261.84/x
  3. Step 3: Cross multiply
    141,925.44x = 195,847.08 × 78,261.84
  4. Step 4: Simplify right side
    141,925.44x = 15,327,352,839.43
  5. Step 5: Solve for x
    x = 15,327,352,839.43/141,925.44
  6. Step 6: Final answer
    x = 107,995.81

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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.