Home / 187,238.88-258,395.28-102,360.48

Finding the Fourth Proportional to 187,238.88, 258,395.28 and 102,360.48

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Solution

The fourth proportional to 187,238.88, 258,395.28 and 102,360.48 is: 141,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,238.88 : 258,395.28 = 102,360.48 : x
  2. Step 2: Convert to fraction form
    187,238.88/258,395.28 = 102,360.48/x
  3. Step 3: Cross multiply
    187,238.88x = 258,395.28 × 102,360.48
  4. Step 4: Simplify right side
    187,238.88x = 26,449,464,890.53
  5. Step 5: Solve for x
    x = 26,449,464,890.53/187,238.88
  6. Step 6: Final answer
    x = 141,260.54

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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.