Finding the Fourth Proportional to 168,573.14, 232,413.87 and 120,230.19
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Solution
The fourth proportional to 168,573.14, 232,413.87 and 120,230.19 is: 165,762.85
Step by Step Solution
- Step 1: Write the proportion equation
168,573.14 : 232,413.87 = 120,230.19 : x - Step 2: Convert to fraction form
168,573.14/232,413.87 = 120,230.19/x - Step 3: Cross multiply
168,573.14x = 232,413.87 × 120,230.19 - Step 4: Simplify right side
168,573.14x = 27,943,163,748.74 - Step 5: Solve for x
x = 27,943,163,748.74/168,573.14 - Step 6: Final answer
x = 165,762.85
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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.