Home / 186,979.44-258,030.60-102,095.90

Finding the Fourth Proportional to 186,979.44, 258,030.60 and 102,095.90

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Solution

The fourth proportional to 186,979.44, 258,030.60 and 102,095.90 is: 140,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,979.44 : 258,030.60 = 102,095.90 : x
  2. Step 2: Convert to fraction form
    186,979.44/258,030.60 = 102,095.90/x
  3. Step 3: Cross multiply
    186,979.44x = 258,030.60 × 102,095.90
  4. Step 4: Simplify right side
    186,979.44x = 26,343,866,334.54
  5. Step 5: Solve for x
    x = 26,343,866,334.54/186,979.44
  6. Step 6: Final answer
    x = 140,891.78

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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.