Home / 186,964.32-258,010.63-102,081.39

Finding the Fourth Proportional to 186,964.32, 258,010.63 and 102,081.39

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Solution

The fourth proportional to 186,964.32, 258,010.63 and 102,081.39 is: 140,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,964.32 : 258,010.63 = 102,081.39 : x
  2. Step 2: Convert to fraction form
    186,964.32/258,010.63 = 102,081.39/x
  3. Step 3: Cross multiply
    186,964.32x = 258,010.63 × 102,081.39
  4. Step 4: Simplify right side
    186,964.32x = 26,338,083,745.18
  5. Step 5: Solve for x
    x = 26,338,083,745.18/186,964.32
  6. Step 6: Final answer
    x = 140,872.25

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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.