Home / 141,200.76-194,857.68-80,772.06

Finding the Fourth Proportional to 141,200.76, 194,857.68 and 80,772.06

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Solution

The fourth proportional to 141,200.76, 194,857.68 and 80,772.06 is: 111,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,200.76 : 194,857.68 = 80,772.06 : x
  2. Step 2: Convert to fraction form
    141,200.76/194,857.68 = 80,772.06/x
  3. Step 3: Cross multiply
    141,200.76x = 194,857.68 × 80,772.06
  4. Step 4: Simplify right side
    141,200.76x = 15,739,056,220.42
  5. Step 5: Solve for x
    x = 15,739,056,220.42/141,200.76
  6. Step 6: Final answer
    x = 111,465.80

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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.