Home / 186,884.43-257,896.80-102,002.10

Finding the Fourth Proportional to 186,884.43, 257,896.80 and 102,002.10

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Solution

The fourth proportional to 186,884.43, 257,896.80 and 102,002.10 is: 140,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,884.43 : 257,896.80 = 102,002.10 : x
  2. Step 2: Convert to fraction form
    186,884.43/257,896.80 = 102,002.10/x
  3. Step 3: Cross multiply
    186,884.43x = 257,896.80 × 102,002.10
  4. Step 4: Simplify right side
    186,884.43x = 26,306,015,183.28
  5. Step 5: Solve for x
    x = 26,306,015,183.28/186,884.43
  6. Step 6: Final answer
    x = 140,760.87

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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.