Home / 187,324.26-258,509.52-102,439.50

Finding the Fourth Proportional to 187,324.26, 258,509.52 and 102,439.50

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Solution

The fourth proportional to 187,324.26, 258,509.52 and 102,439.50 is: 141,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,324.26 : 258,509.52 = 102,439.50 : x
  2. Step 2: Convert to fraction form
    187,324.26/258,509.52 = 102,439.50/x
  3. Step 3: Cross multiply
    187,324.26x = 258,509.52 × 102,439.50
  4. Step 4: Simplify right side
    187,324.26x = 26,481,585,974.04
  5. Step 5: Solve for x
    x = 26,481,585,974.04/187,324.26
  6. Step 6: Final answer
    x = 141,367.63

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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.