Finding the Fourth Proportional to 194,920.73, 268,992.86 and 114,349.62
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Solution
The fourth proportional to 194,920.73, 268,992.86 and 114,349.62 is: 157,803.80
Step by Step Solution
- Step 1: Write the proportion equation
194,920.73 : 268,992.86 = 114,349.62 : x - Step 2: Convert to fraction form
194,920.73/268,992.86 = 114,349.62/x - Step 3: Cross multiply
194,920.73x = 268,992.86 × 114,349.62 - Step 4: Simplify right side
194,920.73x = 30,759,231,760.69 - Step 5: Solve for x
x = 30,759,231,760.69/194,920.73 - Step 6: Final answer
x = 157,803.80
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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.