Finding the Fourth Proportional to 260,150.96, 390,181.08 and 73,118
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Solution
The fourth proportional to 260,150.96, 390,181.08 and 73,118 is: 109,664.25
Step by Step Solution
- Step 1: Write the proportion equation
260,150.96 : 390,181.08 = 73,118 : x - Step 2: Convert to fraction form
260,150.96/390,181.08 = 73,118/x - Step 3: Cross multiply
260,150.96x = 390,181.08 × 73,118 - Step 4: Simplify right side
260,150.96x = 28,529,260,207.44 - Step 5: Solve for x
x = 28,529,260,207.44/260,150.96 - Step 6: Final answer
x = 109,664.25
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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.