Finding the Fourth Proportional to 229,893.68, 317,149.08 and 166,130.48
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Solution
The fourth proportional to 229,893.68, 317,149.08 and 166,130.48 is: 229,184.76
Step by Step Solution
- Step 1: Write the proportion equation
229,893.68 : 317,149.08 = 166,130.48 : x - Step 2: Convert to fraction form
229,893.68/317,149.08 = 166,130.48/x - Step 3: Cross multiply
229,893.68x = 317,149.08 × 166,130.48 - Step 4: Simplify right side
229,893.68x = 52,688,128,891.96 - Step 5: Solve for x
x = 52,688,128,891.96/229,893.68 - Step 6: Final answer
x = 229,184.76
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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.