Finding the Fourth Proportional to 178,344.99, 246,118.09 and 101,874.18
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Solution
The fourth proportional to 178,344.99, 246,118.09 and 101,874.18 is: 140,587.51
Step by Step Solution
- Step 1: Write the proportion equation
178,344.99 : 246,118.09 = 101,874.18 : x - Step 2: Convert to fraction form
178,344.99/246,118.09 = 101,874.18/x - Step 3: Cross multiply
178,344.99x = 246,118.09 × 101,874.18 - Step 4: Simplify right side
178,344.99x = 25,073,078,347.23 - Step 5: Solve for x
x = 25,073,078,347.23/178,344.99 - Step 6: Final answer
x = 140,587.51
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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.