Home / 276,256.80-414,344.19-76,556.36

Finding the Fourth Proportional to 276,256.80, 414,344.19 and 76,556.36

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Solution

The fourth proportional to 276,256.80, 414,344.19 and 76,556.36 is: 114,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,256.80 : 414,344.19 = 76,556.36 : x
  2. Step 2: Convert to fraction form
    276,256.80/414,344.19 = 76,556.36/x
  3. Step 3: Cross multiply
    276,256.80x = 414,344.19 × 76,556.36
  4. Step 4: Simplify right side
    276,256.80x = 31,720,682,973.55
  5. Step 5: Solve for x
    x = 31,720,682,973.55/276,256.80
  6. Step 6: Final answer
    x = 114,823.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.