Finding the Fourth Proportional to 127,655.08, 176,137.30 and 73,936.88
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Solution
The fourth proportional to 127,655.08, 176,137.30 and 73,936.88 is: 102,017.42
Step by Step Solution
- Step 1: Write the proportion equation
127,655.08 : 176,137.30 = 73,936.88 : x - Step 2: Convert to fraction form
127,655.08/176,137.30 = 73,936.88/x - Step 3: Cross multiply
127,655.08x = 176,137.30 × 73,936.88 - Step 4: Simplify right side
127,655.08x = 13,023,042,413.62 - Step 5: Solve for x
x = 13,023,042,413.62/127,655.08 - Step 6: Final answer
x = 102,017.42
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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.