Finding the Fourth Proportional to 186,238.08, 257,000.58 and 101,354.94
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Solution
The fourth proportional to 186,238.08, 257,000.58 and 101,354.94 is: 139,865.48
Step by Step Solution
- Step 1: Write the proportion equation
186,238.08 : 257,000.58 = 101,354.94 : x - Step 2: Convert to fraction form
186,238.08/257,000.58 = 101,354.94/x - Step 3: Cross multiply
186,238.08x = 257,000.58 × 101,354.94 - Step 4: Simplify right side
186,238.08x = 26,048,278,365.87 - Step 5: Solve for x
x = 26,048,278,365.87/186,238.08 - Step 6: Final answer
x = 139,865.48
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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.