Home / 276,217.24-414,324.71-76,537.05

Finding the Fourth Proportional to 276,217.24, 414,324.71 and 76,537.05

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Solution

The fourth proportional to 276,217.24, 414,324.71 and 76,537.05 is: 114,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,217.24 : 414,324.71 = 76,537.05 : x
  2. Step 2: Convert to fraction form
    276,217.24/414,324.71 = 76,537.05/x
  3. Step 3: Cross multiply
    276,217.24x = 414,324.71 × 76,537.05
  4. Step 4: Simplify right side
    276,217.24x = 31,711,188,973.88
  5. Step 5: Solve for x
    x = 31,711,188,973.88/276,217.24
  6. Step 6: Final answer
    x = 114,805.25

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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.