Finding the Fourth Proportional to 146,192.06, 201,745.65 and 79,124.06
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Solution
The fourth proportional to 146,192.06, 201,745.65 and 79,124.06 is: 109,191.53
Step by Step Solution
- Step 1: Write the proportion equation
146,192.06 : 201,745.65 = 79,124.06 : x - Step 2: Convert to fraction form
146,192.06/201,745.65 = 79,124.06/x - Step 3: Cross multiply
146,192.06x = 201,745.65 × 79,124.06 - Step 4: Simplify right side
146,192.06x = 15,962,933,906.61 - Step 5: Solve for x
x = 15,962,933,906.61/146,192.06 - Step 6: Final answer
x = 109,191.53
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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.