Finding the Fourth Proportional to 186,709.98, 257,661.54 and 101,827.08
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Solution
The fourth proportional to 186,709.98, 257,661.54 and 101,827.08 is: 140,522.33
Step by Step Solution
- Step 1: Write the proportion equation
186,709.98 : 257,661.54 = 101,827.08 : x - Step 2: Convert to fraction form
186,709.98/257,661.54 = 101,827.08/x - Step 3: Cross multiply
186,709.98x = 257,661.54 × 101,827.08 - Step 4: Simplify right side
186,709.98x = 26,236,922,246.50 - Step 5: Solve for x
x = 26,236,922,246.50/186,709.98 - Step 6: Final answer
x = 140,522.33
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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.