Finding the Fourth Proportional to 178,943.42, 246,946.68 and 97,277.20
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Solution
The fourth proportional to 178,943.42, 246,946.68 and 97,277.20 is: 134,245.12
Step by Step Solution
- Step 1: Write the proportion equation
178,943.42 : 246,946.68 = 97,277.20 : x - Step 2: Convert to fraction form
178,943.42/246,946.68 = 97,277.20/x - Step 3: Cross multiply
178,943.42x = 246,946.68 × 97,277.20 - Step 4: Simplify right side
178,943.42x = 24,022,280,962.33 - Step 5: Solve for x
x = 24,022,280,962.33/178,943.42 - Step 6: Final answer
x = 134,245.12
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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.