Finding the Fourth Proportional to 186,572.08, 257,469.48 and 101,689.12
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Solution
The fourth proportional to 186,572.08, 257,469.48 and 101,689.12 is: 140,330.99
Step by Step Solution
- Step 1: Write the proportion equation
186,572.08 : 257,469.48 = 101,689.12 : x - Step 2: Convert to fraction form
186,572.08/257,469.48 = 101,689.12/x - Step 3: Cross multiply
186,572.08x = 257,469.48 × 101,689.12 - Step 4: Simplify right side
186,572.08x = 26,181,844,848.06 - Step 5: Solve for x
x = 26,181,844,848.06/186,572.08 - Step 6: Final answer
x = 140,330.99
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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.