Home / 186,760.44-257,751-103,982.76

Finding the Fourth Proportional to 186,760.44, 257,751 and 103,982.76

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Solution

The fourth proportional to 186,760.44, 257,751 and 103,982.76 is: 143,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,760.44 : 257,751 = 103,982.76 : x
  2. Step 2: Convert to fraction form
    186,760.44/257,751 = 103,982.76/x
  3. Step 3: Cross multiply
    186,760.44x = 257,751 × 103,982.76
  4. Step 4: Simplify right side
    186,760.44x = 26,801,660,372.76
  5. Step 5: Solve for x
    x = 26,801,660,372.76/186,760.44
  6. Step 6: Final answer
    x = 143,508.23

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1.5x scale

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.