Finding the Fourth Proportional to 186,753.44, 257,718.84 and 101,869.76
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Solution
The fourth proportional to 186,753.44, 257,718.84 and 101,869.76 is: 140,579.77
Step by Step Solution
- Step 1: Write the proportion equation
186,753.44 : 257,718.84 = 101,869.76 : x - Step 2: Convert to fraction form
186,753.44/257,718.84 = 101,869.76/x - Step 3: Cross multiply
186,753.44x = 257,718.84 × 101,869.76 - Step 4: Simplify right side
186,753.44x = 26,253,756,378.28 - Step 5: Solve for x
x = 26,253,756,378.28/186,753.44 - Step 6: Final answer
x = 140,579.77
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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.