Finding the Fourth Proportional to 186,819.12, 257,808.99 and 106,246.53
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Solution
The fourth proportional to 186,819.12, 257,808.99 and 106,246.53 is: 146,619.42
Step by Step Solution
- Step 1: Write the proportion equation
186,819.12 : 257,808.99 = 106,246.53 : x - Step 2: Convert to fraction form
186,819.12/257,808.99 = 106,246.53/x - Step 3: Cross multiply
186,819.12x = 257,808.99 × 106,246.53 - Step 4: Simplify right side
186,819.12x = 27,391,310,590.30 - Step 5: Solve for x
x = 27,391,310,590.30/186,819.12 - Step 6: Final answer
x = 146,619.42
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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.