Finding the Fourth Proportional to 265,246.06, 397,873.30 and 147,664.74
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Solution
The fourth proportional to 265,246.06, 397,873.30 and 147,664.74 is: 221,499.45
Step by Step Solution
- Step 1: Write the proportion equation
265,246.06 : 397,873.30 = 147,664.74 : x - Step 2: Convert to fraction form
265,246.06/397,873.30 = 147,664.74/x - Step 3: Cross multiply
265,246.06x = 397,873.30 × 147,664.74 - Step 4: Simplify right side
265,246.06x = 58,751,857,397.44 - Step 5: Solve for x
x = 58,751,857,397.44/265,246.06 - Step 6: Final answer
x = 221,499.45
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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.