Home / 187,664.56-258,983.32-102,786.32

Finding the Fourth Proportional to 187,664.56, 258,983.32 and 102,786.32

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Solution

The fourth proportional to 187,664.56, 258,983.32 and 102,786.32 is: 141,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,664.56 : 258,983.32 = 102,786.32 : x
  2. Step 2: Convert to fraction form
    187,664.56/258,983.32 = 102,786.32/x
  3. Step 3: Cross multiply
    187,664.56x = 258,983.32 × 102,786.32
  4. Step 4: Simplify right side
    187,664.56x = 26,619,942,404.18
  5. Step 5: Solve for x
    x = 26,619,942,404.18/187,664.56
  6. Step 6: Final answer
    x = 141,848.53

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1.5x scale

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.