Finding the Fourth Proportional to 132,596.12, 182,936.48 and 75,228.68
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Solution
The fourth proportional to 132,596.12, 182,936.48 and 75,228.68 is: 103,789.39
Step by Step Solution
- Step 1: Write the proportion equation
132,596.12 : 182,936.48 = 75,228.68 : x - Step 2: Convert to fraction form
132,596.12/182,936.48 = 75,228.68/x - Step 3: Cross multiply
132,596.12x = 182,936.48 × 75,228.68 - Step 4: Simplify right side
132,596.12x = 13,762,069,914.25 - Step 5: Solve for x
x = 13,762,069,914.25/132,596.12 - Step 6: Final answer
x = 103,789.39
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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.