Home / 187,481.08-258,724.26-102,603.52

Finding the Fourth Proportional to 187,481.08, 258,724.26 and 102,603.52

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Solution

The fourth proportional to 187,481.08, 258,724.26 and 102,603.52 is: 141,593.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,481.08 : 258,724.26 = 102,603.52 : x
  2. Step 2: Convert to fraction form
    187,481.08/258,724.26 = 102,603.52/x
  3. Step 3: Cross multiply
    187,481.08x = 258,724.26 × 102,603.52
  4. Step 4: Simplify right side
    187,481.08x = 26,546,019,785.40
  5. Step 5: Solve for x
    x = 26,546,019,785.40/187,481.08
  6. Step 6: Final answer
    x = 141,593.06

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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.