Finding the Fourth Proportional to 193,571.36, 290,358.48 and 53,337.68
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Solution
The fourth proportional to 193,571.36, 290,358.48 and 53,337.68 is: 80,006.92
Step by Step Solution
- Step 1: Write the proportion equation
193,571.36 : 290,358.48 = 53,337.68 : x - Step 2: Convert to fraction form
193,571.36/290,358.48 = 53,337.68/x - Step 3: Cross multiply
193,571.36x = 290,358.48 × 53,337.68 - Step 4: Simplify right side
193,571.36x = 15,487,047,691.53 - Step 5: Solve for x
x = 15,487,047,691.53/193,571.36 - Step 6: Final answer
x = 80,006.92
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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.