Home / 141,272.64-194,943.24-80,832.60

Finding the Fourth Proportional to 141,272.64, 194,943.24 and 80,832.60

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Solution

The fourth proportional to 141,272.64, 194,943.24 and 80,832.60 is: 111,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,272.64 : 194,943.24 = 80,832.60 : x
  2. Step 2: Convert to fraction form
    141,272.64/194,943.24 = 80,832.60/x
  3. Step 3: Cross multiply
    141,272.64x = 194,943.24 × 80,832.60
  4. Step 4: Simplify right side
    141,272.64x = 15,757,768,941.62
  5. Step 5: Solve for x
    x = 15,757,768,941.62/141,272.64
  6. Step 6: Final answer
    x = 111,541.55

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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.