Finding the Fourth Proportional to 203,332.99, 280,350.09 and 164,983.94
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Solution
The fourth proportional to 203,332.99, 280,350.09 and 164,983.94 is: 227,475.45
Step by Step Solution
- Step 1: Write the proportion equation
203,332.99 : 280,350.09 = 164,983.94 : x - Step 2: Convert to fraction form
203,332.99/280,350.09 = 164,983.94/x - Step 3: Cross multiply
203,332.99x = 280,350.09 × 164,983.94 - Step 4: Simplify right side
203,332.99x = 46,253,263,747.12 - Step 5: Solve for x
x = 46,253,263,747.12/203,332.99 - Step 6: Final answer
x = 227,475.45
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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.