Finding the Fourth Proportional to 112,186.66, 168,278.69 and 32,226.58
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Solution
The fourth proportional to 112,186.66, 168,278.69 and 32,226.58 is: 48,339.50
Step by Step Solution
- Step 1: Write the proportion equation
112,186.66 : 168,278.69 = 32,226.58 : x - Step 2: Convert to fraction form
112,186.66/168,278.69 = 32,226.58/x - Step 3: Cross multiply
112,186.66x = 168,278.69 × 32,226.58 - Step 4: Simplify right side
112,186.66x = 5,423,047,090.74 - Step 5: Solve for x
x = 5,423,047,090.74/112,186.66 - Step 6: Final answer
x = 48,339.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.