Finding the Fourth Proportional to 187,842.91, 259,249.79 and 116,245.99
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Solution
The fourth proportional to 187,842.91, 259,249.79 and 116,245.99 is: 160,435.91
Step by Step Solution
- Step 1: Write the proportion equation
187,842.91 : 259,249.79 = 116,245.99 : x - Step 2: Convert to fraction form
187,842.91/259,249.79 = 116,245.99/x - Step 3: Cross multiply
187,842.91x = 259,249.79 × 116,245.99 - Step 4: Simplify right side
187,842.91x = 30,136,748,495.84 - Step 5: Solve for x
x = 30,136,748,495.84/187,842.91 - Step 6: Final answer
x = 160,435.91
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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.