Finding the Fourth Proportional to 127,117.14, 190,631.97 and 48,253.92
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Solution
The fourth proportional to 127,117.14, 190,631.97 and 48,253.92 is: 72,364.28
Step by Step Solution
- Step 1: Write the proportion equation
127,117.14 : 190,631.97 = 48,253.92 : x - Step 2: Convert to fraction form
127,117.14/190,631.97 = 48,253.92/x - Step 3: Cross multiply
127,117.14x = 190,631.97 × 48,253.92 - Step 4: Simplify right side
127,117.14x = 9,198,739,829.82 - Step 5: Solve for x
x = 9,198,739,829.82/127,117.14 - Step 6: Final answer
x = 72,364.28
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1.5x scale
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.