Finding the Fourth Proportional to 178,416.96, 246,215.75 and 97,845.05
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Solution
The fourth proportional to 178,416.96, 246,215.75 and 97,845.05 is: 135,026.35
Step by Step Solution
- Step 1: Write the proportion equation
178,416.96 : 246,215.75 = 97,845.05 : x - Step 2: Convert to fraction form
178,416.96/246,215.75 = 97,845.05/x - Step 3: Cross multiply
178,416.96x = 246,215.75 × 97,845.05 - Step 4: Simplify right side
178,416.96x = 24,090,990,649.23 - Step 5: Solve for x
x = 24,090,990,649.23/178,416.96 - Step 6: Final answer
x = 135,026.35
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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.