Finding the Fourth Proportional to 107,307.67, 160,961.56 and 37,186.99
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Solution
The fourth proportional to 107,307.67, 160,961.56 and 37,186.99 is: 55,780.50
Step by Step Solution
- Step 1: Write the proportion equation
107,307.67 : 160,961.56 = 37,186.99 : x - Step 2: Convert to fraction form
107,307.67/160,961.56 = 37,186.99/x - Step 3: Cross multiply
107,307.67x = 160,961.56 × 37,186.99 - Step 4: Simplify right side
107,307.67x = 5,985,675,922.10 - Step 5: Solve for x
x = 5,985,675,922.10/107,307.67 - Step 6: Final answer
x = 55,780.50
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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.