Finding the Fourth Proportional to 232,716.70, 349,403.10 and 144,143.20
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Solution
The fourth proportional to 232,716.70, 349,403.10 and 144,143.20 is: 216,417.99
Step by Step Solution
- Step 1: Write the proportion equation
232,716.70 : 349,403.10 = 144,143.20 : x - Step 2: Convert to fraction form
232,716.70/349,403.10 = 144,143.20/x - Step 3: Cross multiply
232,716.70x = 349,403.10 × 144,143.20 - Step 4: Simplify right side
232,716.70x = 50,364,080,923.92 - Step 5: Solve for x
x = 50,364,080,923.92/232,716.70 - Step 6: Final answer
x = 216,417.99
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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.