Finding the Fourth Proportional to 185,896.13, 256,536.14 and 101,013.17
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Solution
The fourth proportional to 185,896.13, 256,536.14 and 101,013.17 is: 139,397.89
Step by Step Solution
- Step 1: Write the proportion equation
185,896.13 : 256,536.14 = 101,013.17 : x - Step 2: Convert to fraction form
185,896.13/256,536.14 = 101,013.17/x - Step 3: Cross multiply
185,896.13x = 256,536.14 × 101,013.17 - Step 4: Simplify right side
185,896.13x = 25,913,526,933.22 - Step 5: Solve for x
x = 25,913,526,933.22/185,896.13 - Step 6: Final answer
x = 139,397.89
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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.