Home / 187,356.33-258,553.77-102,471.57

Finding the Fourth Proportional to 187,356.33, 258,553.77 and 102,471.57

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Solution

The fourth proportional to 187,356.33, 258,553.77 and 102,471.57 is: 141,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,356.33 : 258,553.77 = 102,471.57 : x
  2. Step 2: Convert to fraction form
    187,356.33/258,553.77 = 102,471.57/x
  3. Step 3: Cross multiply
    187,356.33x = 258,553.77 × 102,471.57
  4. Step 4: Simplify right side
    187,356.33x = 26,494,410,741.32
  5. Step 5: Solve for x
    x = 26,494,410,741.32/187,356.33
  6. Step 6: Final answer
    x = 141,411.88

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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.