Finding the Fourth Proportional to 167,228.19, 230,774.90 and 100,160.19
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Solution
The fourth proportional to 167,228.19, 230,774.90 and 100,160.19 is: 138,221.06
Step by Step Solution
- Step 1: Write the proportion equation
167,228.19 : 230,774.90 = 100,160.19 : x - Step 2: Convert to fraction form
167,228.19/230,774.90 = 100,160.19/x - Step 3: Cross multiply
167,228.19x = 230,774.90 × 100,160.19 - Step 4: Simplify right side
167,228.19x = 23,114,457,831.23 - Step 5: Solve for x
x = 23,114,457,831.23/167,228.19 - Step 6: Final answer
x = 138,221.06
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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.