Finding the Fourth Proportional to 120,092.63, 180,170.12 and 35,852.79
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Solution
The fourth proportional to 120,092.63, 180,170.12 and 35,852.79 is: 53,788.50
Step by Step Solution
- Step 1: Write the proportion equation
120,092.63 : 180,170.12 = 35,852.79 : x - Step 2: Convert to fraction form
120,092.63/180,170.12 = 35,852.79/x - Step 3: Cross multiply
120,092.63x = 180,170.12 × 35,852.79 - Step 4: Simplify right side
120,092.63x = 6,459,602,241.90 - Step 5: Solve for x
x = 6,459,602,241.90/120,092.63 - Step 6: Final answer
x = 53,788.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.