Finding the Fourth Proportional to 182,688.16, 252,107.76 and 107,222.08
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Solution
The fourth proportional to 182,688.16, 252,107.76 and 107,222.08 is: 147,965.35
Step by Step Solution
- Step 1: Write the proportion equation
182,688.16 : 252,107.76 = 107,222.08 : x - Step 2: Convert to fraction form
182,688.16/252,107.76 = 107,222.08/x - Step 3: Cross multiply
182,688.16x = 252,107.76 × 107,222.08 - Step 4: Simplify right side
182,688.16x = 27,031,518,411.34 - Step 5: Solve for x
x = 27,031,518,411.34/182,688.16 - Step 6: Final answer
x = 147,965.35
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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.