Home / 186,983.38-258,037.05-102,100.51

Finding the Fourth Proportional to 186,983.38, 258,037.05 and 102,100.51

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Solution

The fourth proportional to 186,983.38, 258,037.05 and 102,100.51 is: 140,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,983.38 : 258,037.05 = 102,100.51 : x
  2. Step 2: Convert to fraction form
    186,983.38/258,037.05 = 102,100.51/x
  3. Step 3: Cross multiply
    186,983.38x = 258,037.05 × 102,100.51
  4. Step 4: Simplify right side
    186,983.38x = 26,345,714,403.90
  5. Step 5: Solve for x
    x = 26,345,714,403.90/186,983.38
  6. Step 6: Final answer
    x = 140,898.70

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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.