Finding the Fourth Proportional to 191,997.97, 264,655.50 and 131,463.94
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Solution
The fourth proportional to 191,997.97, 264,655.50 and 131,463.94 is: 181,213.66
Step by Step Solution
- Step 1: Write the proportion equation
191,997.97 : 264,655.50 = 131,463.94 : x - Step 2: Convert to fraction form
191,997.97/264,655.50 = 131,463.94/x - Step 3: Cross multiply
191,997.97x = 264,655.50 × 131,463.94 - Step 4: Simplify right side
191,997.97x = 34,792,654,772.67 - Step 5: Solve for x
x = 34,792,654,772.67/191,997.97 - Step 6: Final answer
x = 181,213.66
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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.