Finding the Fourth Proportional to 168,674.04, 232,662.65 and 128,299.19
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Solution
The fourth proportional to 168,674.04, 232,662.65 and 128,299.19 is: 176,971.08
Step by Step Solution
- Step 1: Write the proportion equation
168,674.04 : 232,662.65 = 128,299.19 : x - Step 2: Convert to fraction form
168,674.04/232,662.65 = 128,299.19/x - Step 3: Cross multiply
168,674.04x = 232,662.65 × 128,299.19 - Step 4: Simplify right side
168,674.04x = 29,850,427,733.44 - Step 5: Solve for x
x = 29,850,427,733.44/168,674.04 - Step 6: Final answer
x = 176,971.08
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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.