Home / 186,983.22-258,037.78-102,100.28

Finding the Fourth Proportional to 186,983.22, 258,037.78 and 102,100.28

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Solution

The fourth proportional to 186,983.22, 258,037.78 and 102,100.28 is: 140,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,983.22 : 258,037.78 = 102,100.28 : x
  2. Step 2: Convert to fraction form
    186,983.22/258,037.78 = 102,100.28/x
  3. Step 3: Cross multiply
    186,983.22x = 258,037.78 × 102,100.28
  4. Step 4: Simplify right side
    186,983.22x = 26,345,729,588.58
  5. Step 5: Solve for x
    x = 26,345,729,588.58/186,983.22
  6. Step 6: Final answer
    x = 140,898.90

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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.