Home / 104,861.07-157,160.34-82,586.43

Finding the Fourth Proportional to 104,861.07, 157,160.34 and 82,586.43

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Solution

The fourth proportional to 104,861.07, 157,160.34 and 82,586.43 is: 123,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,861.07 : 157,160.34 = 82,586.43 : x
  2. Step 2: Convert to fraction form
    104,861.07/157,160.34 = 82,586.43/x
  3. Step 3: Cross multiply
    104,861.07x = 157,160.34 × 82,586.43
  4. Step 4: Simplify right side
    104,861.07x = 12,979,311,418.19
  5. Step 5: Solve for x
    x = 12,979,311,418.19/104,861.07
  6. Step 6: Final answer
    x = 123,776.26

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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.