Finding the Fourth Proportional to 122,131.61, 182,926.73 and 93,843.44
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Solution
The fourth proportional to 122,131.61, 182,926.73 and 93,843.44 is: 140,557.17
Step by Step Solution
- Step 1: Write the proportion equation
122,131.61 : 182,926.73 = 93,843.44 : x - Step 2: Convert to fraction form
122,131.61/182,926.73 = 93,843.44/x - Step 3: Cross multiply
122,131.61x = 182,926.73 × 93,843.44 - Step 4: Simplify right side
122,131.61x = 17,166,472,931.13 - Step 5: Solve for x
x = 17,166,472,931.13/122,131.61 - Step 6: Final answer
x = 140,557.17
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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.