Home / 189,556.36-261,586.14-104,668.12

Finding the Fourth Proportional to 189,556.36, 261,586.14 and 104,668.12

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Solution

The fourth proportional to 189,556.36, 261,586.14 and 104,668.12 is: 144,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,556.36 : 261,586.14 = 104,668.12 : x
  2. Step 2: Convert to fraction form
    189,556.36/261,586.14 = 104,668.12/x
  3. Step 3: Cross multiply
    189,556.36x = 261,586.14 × 104,668.12
  4. Step 4: Simplify right side
    189,556.36x = 27,379,729,491.86
  5. Step 5: Solve for x
    x = 27,379,729,491.86/189,556.36
  6. Step 6: Final answer
    x = 144,441.10

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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.