Home / 186,439.44-257,290.40-101,556.32

Finding the Fourth Proportional to 186,439.44, 257,290.40 and 101,556.32

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Solution

The fourth proportional to 186,439.44, 257,290.40 and 101,556.32 is: 140,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,439.44 : 257,290.40 = 101,556.32 : x
  2. Step 2: Convert to fraction form
    186,439.44/257,290.40 = 101,556.32/x
  3. Step 3: Cross multiply
    186,439.44x = 257,290.40 × 101,556.32
  4. Step 4: Simplify right side
    186,439.44x = 26,129,466,195.33
  5. Step 5: Solve for x
    x = 26,129,466,195.33/186,439.44
  6. Step 6: Final answer
    x = 140,149.89

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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.