Finding the Fourth Proportional to 116,657.80, 174,986.70 and 93,329.80
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Solution
The fourth proportional to 116,657.80, 174,986.70 and 93,329.80 is: 139,994.70
Step by Step Solution
- Step 1: Write the proportion equation
116,657.80 : 174,986.70 = 93,329.80 : x - Step 2: Convert to fraction form
116,657.80/174,986.70 = 93,329.80/x - Step 3: Cross multiply
116,657.80x = 174,986.70 × 93,329.80 - Step 4: Simplify right side
116,657.80x = 16,331,473,713.66 - Step 5: Solve for x
x = 16,331,473,713.66/116,657.80 - Step 6: Final answer
x = 139,994.70
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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.