Finding the Fourth Proportional to 308,037.94, 425,092.35 and 173,901.94
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Solution
The fourth proportional to 308,037.94, 425,092.35 and 173,901.94 is: 239,984.67
Step by Step Solution
- Step 1: Write the proportion equation
308,037.94 : 425,092.35 = 173,901.94 : x - Step 2: Convert to fraction form
308,037.94/425,092.35 = 173,901.94/x - Step 3: Cross multiply
308,037.94x = 425,092.35 × 173,901.94 - Step 4: Simplify right side
308,037.94x = 73,924,383,933.56 - Step 5: Solve for x
x = 73,924,383,933.56/308,037.94 - Step 6: Final answer
x = 239,984.67
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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.