Home / 141,255.97-194,946.95-80,835.23

Finding the Fourth Proportional to 141,255.97, 194,946.95 and 80,835.23

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Solution

The fourth proportional to 141,255.97, 194,946.95 and 80,835.23 is: 111,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,255.97 : 194,946.95 = 80,835.23 : x
  2. Step 2: Convert to fraction form
    141,255.97/194,946.95 = 80,835.23/x
  3. Step 3: Cross multiply
    141,255.97x = 194,946.95 × 80,835.23
  4. Step 4: Simplify right side
    141,255.97x = 15,758,582,230.50
  5. Step 5: Solve for x
    x = 15,758,582,230.50/141,255.97
  6. Step 6: Final answer
    x = 111,560.47

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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.