Finding the Fourth Proportional to 186,459.08, 257,312.20 and 101,576.12
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Solution
The fourth proportional to 186,459.08, 257,312.20 and 101,576.12 is: 140,174.32
Step by Step Solution
- Step 1: Write the proportion equation
186,459.08 : 257,312.20 = 101,576.12 : x - Step 2: Convert to fraction form
186,459.08/257,312.20 = 101,576.12/x - Step 3: Cross multiply
186,459.08x = 257,312.20 × 101,576.12 - Step 4: Simplify right side
186,459.08x = 26,136,774,904.66 - Step 5: Solve for x
x = 26,136,774,904.66/186,459.08 - Step 6: Final answer
x = 140,174.32
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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.