Finding the Fourth Proportional to 166,197.58, 229,076.49 and 117,737.31
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Solution
The fourth proportional to 166,197.58, 229,076.49 and 117,737.31 is: 162,281.84
Step by Step Solution
- Step 1: Write the proportion equation
166,197.58 : 229,076.49 = 117,737.31 : x - Step 2: Convert to fraction form
166,197.58/229,076.49 = 117,737.31/x - Step 3: Cross multiply
166,197.58x = 229,076.49 × 117,737.31 - Step 4: Simplify right side
166,197.58x = 26,970,849,716.84 - Step 5: Solve for x
x = 26,970,849,716.84/166,197.58 - Step 6: Final answer
x = 162,281.84
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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.