Finding the Fourth Proportional to 186,930.84, 257,934.12 and 110,439.36
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Solution
The fourth proportional to 186,930.84, 257,934.12 and 110,439.36 is: 152,388.33
Step by Step Solution
- Step 1: Write the proportion equation
186,930.84 : 257,934.12 = 110,439.36 : x - Step 2: Convert to fraction form
186,930.84/257,934.12 = 110,439.36/x - Step 3: Cross multiply
186,930.84x = 257,934.12 × 110,439.36 - Step 4: Simplify right side
186,930.84x = 28,486,079,134.96 - Step 5: Solve for x
x = 28,486,079,134.96/186,930.84 - Step 6: Final answer
x = 152,388.33
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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.