Finding the Fourth Proportional to 186,789.84, 257,789.84 and 114,235.18
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Solution
The fourth proportional to 186,789.84, 257,789.84 and 114,235.18 is: 157,656.69
Step by Step Solution
- Step 1: Write the proportion equation
186,789.84 : 257,789.84 = 114,235.18 : x - Step 2: Convert to fraction form
186,789.84/257,789.84 = 114,235.18/x - Step 3: Cross multiply
186,789.84x = 257,789.84 × 114,235.18 - Step 4: Simplify right side
186,789.84x = 29,448,668,774.57 - Step 5: Solve for x
x = 29,448,668,774.57/186,789.84 - Step 6: Final answer
x = 157,656.69
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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.