Home / 189,150.33-261,029.21-104,270.43

Finding the Fourth Proportional to 189,150.33, 261,029.21 and 104,270.43

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Solution

The fourth proportional to 189,150.33, 261,029.21 and 104,270.43 is: 143,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,150.33 : 261,029.21 = 104,270.43 : x
  2. Step 2: Convert to fraction form
    189,150.33/261,029.21 = 104,270.43/x
  3. Step 3: Cross multiply
    189,150.33x = 261,029.21 × 104,270.43
  4. Step 4: Simplify right side
    189,150.33x = 27,217,627,447.91
  5. Step 5: Solve for x
    x = 27,217,627,447.91/189,150.33
  6. Step 6: Final answer
    x = 143,894.16

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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.