Finding the Fourth Proportional to 186,536.91, 257,420.09 and 101,653.95
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Solution
The fourth proportional to 186,536.91, 257,420.09 and 101,653.95 is: 140,281.99
Step by Step Solution
- Step 1: Write the proportion equation
186,536.91 : 257,420.09 = 101,653.95 : x - Step 2: Convert to fraction form
186,536.91/257,420.09 = 101,653.95/x - Step 3: Cross multiply
186,536.91x = 257,420.09 × 101,653.95 - Step 4: Simplify right side
186,536.91x = 26,167,768,449.59 - Step 5: Solve for x
x = 26,167,768,449.59/186,536.91 - Step 6: Final answer
x = 140,281.99
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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.