Finding the Fourth Proportional to 177,888.13, 245,491.43 and 97,315.66
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Solution
The fourth proportional to 177,888.13, 245,491.43 and 97,315.66 is: 134,298.78
Step by Step Solution
- Step 1: Write the proportion equation
177,888.13 : 245,491.43 = 97,315.66 : x - Step 2: Convert to fraction form
177,888.13/245,491.43 = 97,315.66/x - Step 3: Cross multiply
177,888.13x = 245,491.43 × 97,315.66 - Step 4: Simplify right side
177,888.13x = 23,890,159,319.41 - Step 5: Solve for x
x = 23,890,159,319.41/177,888.13 - Step 6: Final answer
x = 134,298.78
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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.