Finding the Fourth Proportional to 127,020.24, 175,295.88 and 73,315.08
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Solution
The fourth proportional to 127,020.24, 175,295.88 and 73,315.08 is: 101,179.40
Step by Step Solution
- Step 1: Write the proportion equation
127,020.24 : 175,295.88 = 73,315.08 : x - Step 2: Convert to fraction form
127,020.24/175,295.88 = 73,315.08/x - Step 3: Cross multiply
127,020.24x = 175,295.88 × 73,315.08 - Step 4: Simplify right side
127,020.24x = 12,851,831,465.87 - Step 5: Solve for x
x = 12,851,831,465.87/127,020.24 - Step 6: Final answer
x = 101,179.40
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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.