Home / 189,469.42-261,467.27-104,585.88

Finding the Fourth Proportional to 189,469.42, 261,467.27 and 104,585.88

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Solution

The fourth proportional to 189,469.42, 261,467.27 and 104,585.88 is: 144,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,469.42 : 261,467.27 = 104,585.88 : x
  2. Step 2: Convert to fraction form
    189,469.42/261,467.27 = 104,585.88/x
  3. Step 3: Cross multiply
    189,469.42x = 261,467.27 × 104,585.88
  4. Step 4: Simplify right side
    189,469.42x = 27,345,782,693.88
  5. Step 5: Solve for x
    x = 27,345,782,693.88/189,469.42
  6. Step 6: Final answer
    x = 144,328.21

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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.