Finding the Fourth Proportional to 186,611.67, 257,524.11 and 101,728.80
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Solution
The fourth proportional to 186,611.67, 257,524.11 and 101,728.80 is: 140,385.75
Step by Step Solution
- Step 1: Write the proportion equation
186,611.67 : 257,524.11 = 101,728.80 : x - Step 2: Convert to fraction form
186,611.67/257,524.11 = 101,728.80/x - Step 3: Cross multiply
186,611.67x = 257,524.11 × 101,728.80 - Step 4: Simplify right side
186,611.67x = 26,197,618,681.37 - Step 5: Solve for x
x = 26,197,618,681.37/186,611.67 - Step 6: Final answer
x = 140,385.75
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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.