Finding the Fourth Proportional to 136,252.80, 190,950.75 and 136,252.80
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Solution
The fourth proportional to 136,252.80, 190,950.75 and 136,252.80 is: 190,950.75
Step by Step Solution
- Step 1: Write the proportion equation
136,252.80 : 190,950.75 = 136,252.80 : x - Step 2: Convert to fraction form
136,252.80/190,950.75 = 136,252.80/x - Step 3: Cross multiply
136,252.80x = 190,950.75 × 136,252.80 - Step 4: Simplify right side
136,252.80x = 26,017,574,349.60 - Step 5: Solve for x
x = 26,017,574,349.60/136,252.80 - Step 6: Final answer
x = 190,950.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.