Finding the Fourth Proportional to 125,533.28, 173,149.94 and 80,191.14
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Solution
The fourth proportional to 125,533.28, 173,149.94 and 80,191.14 is: 110,608.84
Step by Step Solution
- Step 1: Write the proportion equation
125,533.28 : 173,149.94 = 80,191.14 : x - Step 2: Convert to fraction form
125,533.28/173,149.94 = 80,191.14/x - Step 3: Cross multiply
125,533.28x = 173,149.94 × 80,191.14 - Step 4: Simplify right side
125,533.28x = 13,885,091,079.53 - Step 5: Solve for x
x = 13,885,091,079.53/125,533.28 - Step 6: Final answer
x = 110,608.84
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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.