Finding the Fourth Proportional to 133,809.04, 201,927.64 and 129,347.44
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Solution
The fourth proportional to 133,809.04, 201,927.64 and 129,347.44 is: 195,194.76
Step by Step Solution
- Step 1: Write the proportion equation
133,809.04 : 201,927.64 = 129,347.44 : x - Step 2: Convert to fraction form
133,809.04/201,927.64 = 129,347.44/x - Step 3: Cross multiply
133,809.04x = 201,927.64 × 129,347.44 - Step 4: Simplify right side
133,809.04x = 26,118,823,299.24 - Step 5: Solve for x
x = 26,118,823,299.24/133,809.04 - Step 6: Final answer
x = 195,194.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.