Finding the Fourth Proportional to 168,585.62, 232,652.85 and 93,138.98
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Solution
The fourth proportional to 168,585.62, 232,652.85 and 93,138.98 is: 128,534.39
Step by Step Solution
- Step 1: Write the proportion equation
168,585.62 : 232,652.85 = 93,138.98 : x - Step 2: Convert to fraction form
168,585.62/232,652.85 = 93,138.98/x - Step 3: Cross multiply
168,585.62x = 232,652.85 × 93,138.98 - Step 4: Simplify right side
168,585.62x = 21,669,049,143.09 - Step 5: Solve for x
x = 21,669,049,143.09/168,585.62 - Step 6: Final answer
x = 128,534.39
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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.