Finding the Fourth Proportional to 292,753.44, 439,235.52 and 115,162.08
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Solution
The fourth proportional to 292,753.44, 439,235.52 and 115,162.08 is: 172,784.57
Step by Step Solution
- Step 1: Write the proportion equation
292,753.44 : 439,235.52 = 115,162.08 : x - Step 2: Convert to fraction form
292,753.44/439,235.52 = 115,162.08/x - Step 3: Cross multiply
292,753.44x = 439,235.52 × 115,162.08 - Step 4: Simplify right side
292,753.44x = 50,583,276,093.08 - Step 5: Solve for x
x = 50,583,276,093.08/292,753.44 - Step 6: Final answer
x = 172,784.57
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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.