Home / 186,439.51-257,286.13-101,556.37

Finding the Fourth Proportional to 186,439.51, 257,286.13 and 101,556.37

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Solution

The fourth proportional to 186,439.51, 257,286.13 and 101,556.37 is: 140,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,439.51 : 257,286.13 = 101,556.37 : x
  2. Step 2: Convert to fraction form
    186,439.51/257,286.13 = 101,556.37/x
  3. Step 3: Cross multiply
    186,439.51x = 257,286.13 × 101,556.37
  4. Step 4: Simplify right side
    186,439.51x = 26,129,045,414.15
  5. Step 5: Solve for x
    x = 26,129,045,414.15/186,439.51
  6. Step 6: Final answer
    x = 140,147.58

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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.