Finding the Fourth Proportional to 247,061.24, 340,944.48 and 133,883.99
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Solution
The fourth proportional to 247,061.24, 340,944.48 and 133,883.99 is: 184,759.89
Step by Step Solution
- Step 1: Write the proportion equation
247,061.24 : 340,944.48 = 133,883.99 : x - Step 2: Convert to fraction form
247,061.24/340,944.48 = 133,883.99/x - Step 3: Cross multiply
247,061.24x = 340,944.48 × 133,883.99 - Step 4: Simplify right side
247,061.24x = 45,647,007,350.88 - Step 5: Solve for x
x = 45,647,007,350.88/247,061.24 - Step 6: Final answer
x = 184,759.89
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1.5x scale
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.