Finding the Fourth Proportional to 170,249.14, 234,943.68 and 93,768.76
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Solution
The fourth proportional to 170,249.14, 234,943.68 and 93,768.76 is: 129,400.82
Step by Step Solution
- Step 1: Write the proportion equation
170,249.14 : 234,943.68 = 93,768.76 : x - Step 2: Convert to fraction form
170,249.14/234,943.68 = 93,768.76/x - Step 3: Cross multiply
170,249.14x = 234,943.68 × 93,768.76 - Step 4: Simplify right side
170,249.14x = 22,030,377,543.44 - Step 5: Solve for x
x = 22,030,377,543.44/170,249.14 - Step 6: Final answer
x = 129,400.82
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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.