Home / 262,670.46-393,989.49-104,785.26

Finding the Fourth Proportional to 262,670.46, 393,989.49 and 104,785.26

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Solution

The fourth proportional to 262,670.46, 393,989.49 and 104,785.26 is: 157,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,670.46 : 393,989.49 = 104,785.26 : x
  2. Step 2: Convert to fraction form
    262,670.46/393,989.49 = 104,785.26/x
  3. Step 3: Cross multiply
    262,670.46x = 393,989.49 × 104,785.26
  4. Step 4: Simplify right side
    262,670.46x = 41,284,291,146.92
  5. Step 5: Solve for x
    x = 41,284,291,146.92/262,670.46
  6. Step 6: Final answer
    x = 157,171.43

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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.