Finding the Fourth Proportional to 185,649.84, 256,189.92 and 100,765.08
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Solution
The fourth proportional to 185,649.84, 256,189.92 and 100,765.08 is: 139,052.09
Step by Step Solution
- Step 1: Write the proportion equation
185,649.84 : 256,189.92 = 100,765.08 : x - Step 2: Convert to fraction form
185,649.84/256,189.92 = 100,765.08/x - Step 3: Cross multiply
185,649.84x = 256,189.92 × 100,765.08 - Step 4: Simplify right side
185,649.84x = 25,814,997,783.99 - Step 5: Solve for x
x = 25,814,997,783.99/185,649.84 - Step 6: Final answer
x = 139,052.09
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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.