Home / 189,112.48-260,977.04-104,232.80

Finding the Fourth Proportional to 189,112.48, 260,977.04 and 104,232.80

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Solution

The fourth proportional to 189,112.48, 260,977.04 and 104,232.80 is: 143,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,112.48 : 260,977.04 = 104,232.80 : x
  2. Step 2: Convert to fraction form
    189,112.48/260,977.04 = 104,232.80/x
  3. Step 3: Cross multiply
    189,112.48x = 260,977.04 × 104,232.80
  4. Step 4: Simplify right side
    189,112.48x = 27,202,367,614.91
  5. Step 5: Solve for x
    x = 27,202,367,614.91/189,112.48
  6. Step 6: Final answer
    x = 143,842.27

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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.