Finding the Fourth Proportional to 187,840.91, 259,247.03 and 116,243.99
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Solution
The fourth proportional to 187,840.91, 259,247.03 and 116,243.99 is: 160,433.15
Step by Step Solution
- Step 1: Write the proportion equation
187,840.91 : 259,247.03 = 116,243.99 : x - Step 2: Convert to fraction form
187,840.91/259,247.03 = 116,243.99/x - Step 3: Cross multiply
187,840.91x = 259,247.03 × 116,243.99 - Step 4: Simplify right side
187,840.91x = 30,135,909,162.85 - Step 5: Solve for x
x = 30,135,909,162.85/187,840.91 - Step 6: Final answer
x = 160,433.15
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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.