Finding the Fourth Proportional to 313,970.99, 471,082.23 and 114,305.18
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Solution
The fourth proportional to 313,970.99, 471,082.23 and 114,305.18 is: 171,503.54
Step by Step Solution
- Step 1: Write the proportion equation
313,970.99 : 471,082.23 = 114,305.18 : x - Step 2: Convert to fraction form
313,970.99/471,082.23 = 114,305.18/x - Step 3: Cross multiply
313,970.99x = 471,082.23 × 114,305.18 - Step 4: Simplify right side
313,970.99x = 53,847,136,739.54 - Step 5: Solve for x
x = 53,847,136,739.54/313,970.99 - Step 6: Final answer
x = 171,503.54
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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.