Finding the Fourth Proportional to 194,665.62, 291,998.43 and 46,921.62
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Solution
The fourth proportional to 194,665.62, 291,998.43 and 46,921.62 is: 70,382.43
Step by Step Solution
- Step 1: Write the proportion equation
194,665.62 : 291,998.43 = 46,921.62 : x - Step 2: Convert to fraction form
194,665.62/291,998.43 = 46,921.62/x - Step 3: Cross multiply
194,665.62x = 291,998.43 × 46,921.62 - Step 4: Simplify right side
194,665.62x = 13,701,039,373.06 - Step 5: Solve for x
x = 13,701,039,373.06/194,665.62 - Step 6: Final answer
x = 70,382.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.