Home / 276,344.22-414,517.02-76,675.32

Finding the Fourth Proportional to 276,344.22, 414,517.02 and 76,675.32

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Solution

The fourth proportional to 276,344.22, 414,517.02 and 76,675.32 is: 115,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,344.22 : 414,517.02 = 76,675.32 : x
  2. Step 2: Convert to fraction form
    276,344.22/414,517.02 = 76,675.32/x
  3. Step 3: Cross multiply
    276,344.22x = 414,517.02 × 76,675.32
  4. Step 4: Simplify right side
    276,344.22x = 31,783,225,153.95
  5. Step 5: Solve for x
    x = 31,783,225,153.95/276,344.22
  6. Step 6: Final answer
    x = 115,013.17

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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.