Finding the Fourth Proportional to 188,184.42, 259,651.62 and 111,663.99
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Solution
The fourth proportional to 188,184.42, 259,651.62 and 111,663.99 is: 154,070.86
Step by Step Solution
- Step 1: Write the proportion equation
188,184.42 : 259,651.62 = 111,663.99 : x - Step 2: Convert to fraction form
188,184.42/259,651.62 = 111,663.99/x - Step 3: Cross multiply
188,184.42x = 259,651.62 × 111,663.99 - Step 4: Simplify right side
188,184.42x = 28,993,735,899.16 - Step 5: Solve for x
x = 28,993,735,899.16/188,184.42 - Step 6: Final answer
x = 154,070.86
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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.