Finding the Fourth Proportional to 186,827.18, 257,819.36 and 101,945.66
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Solution
The fourth proportional to 186,827.18, 257,819.36 and 101,945.66 is: 140,683.84
Step by Step Solution
- Step 1: Write the proportion equation
186,827.18 : 257,819.36 = 101,945.66 : x - Step 2: Convert to fraction form
186,827.18/257,819.36 = 101,945.66/x - Step 3: Cross multiply
186,827.18x = 257,819.36 × 101,945.66 - Step 4: Simplify right side
186,827.18x = 26,283,564,815.98 - Step 5: Solve for x
x = 26,283,564,815.98/186,827.18 - Step 6: Final answer
x = 140,683.84
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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.