Finding the Fourth Proportional to 140,829.21, 211,243.76 and 93,536.63
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Solution
The fourth proportional to 140,829.21, 211,243.76 and 93,536.63 is: 140,304.90
Step by Step Solution
- Step 1: Write the proportion equation
140,829.21 : 211,243.76 = 93,536.63 : x - Step 2: Convert to fraction form
140,829.21/211,243.76 = 93,536.63/x - Step 3: Cross multiply
140,829.21x = 211,243.76 × 93,536.63 - Step 4: Simplify right side
140,829.21x = 19,759,027,895.03 - Step 5: Solve for x
x = 19,759,027,895.03/140,829.21 - Step 6: Final answer
x = 140,304.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.