Home / 276,112.09-414,122.00-76,452.66

Finding the Fourth Proportional to 276,112.09, 414,122.00 and 76,452.66

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Solution

The fourth proportional to 276,112.09, 414,122.00 and 76,452.66 is: 114,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,112.09 : 414,122.00 = 76,452.66 : x
  2. Step 2: Convert to fraction form
    276,112.09/414,122.00 = 76,452.66/x
  3. Step 3: Cross multiply
    276,112.09x = 414,122.00 × 76,452.66
  4. Step 4: Simplify right side
    276,112.09x = 31,660,727,238.08
  5. Step 5: Solve for x
    x = 31,660,727,238.08/276,112.09
  6. Step 6: Final answer
    x = 114,666.21

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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.