Home / 187,256.98-258,414.58-102,374.04

Finding the Fourth Proportional to 187,256.98, 258,414.58 and 102,374.04

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Solution

The fourth proportional to 187,256.98, 258,414.58 and 102,374.04 is: 141,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,256.98 : 258,414.58 = 102,374.04 : x
  2. Step 2: Convert to fraction form
    187,256.98/258,414.58 = 102,374.04/x
  3. Step 3: Cross multiply
    187,256.98x = 258,414.58 × 102,374.04
  4. Step 4: Simplify right side
    187,256.98x = 26,454,942,745.56
  5. Step 5: Solve for x
    x = 26,454,942,745.56/187,256.98
  6. Step 6: Final answer
    x = 141,276.14

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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.