Finding the Fourth Proportional to 178,875.24, 246,793.93 and 107,229.12
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Solution
The fourth proportional to 178,875.24, 246,793.93 and 107,229.12 is: 147,943.87
Step by Step Solution
- Step 1: Write the proportion equation
178,875.24 : 246,793.93 = 107,229.12 : x - Step 2: Convert to fraction form
178,875.24/246,793.93 = 107,229.12/x - Step 3: Cross multiply
178,875.24x = 246,793.93 × 107,229.12 - Step 4: Simplify right side
178,875.24x = 26,463,495,935.24 - Step 5: Solve for x
x = 26,463,495,935.24/178,875.24 - Step 6: Final answer
x = 147,943.87
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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.