Home / 207,914.85-311,896.98-74,784.06

Finding the Fourth Proportional to 207,914.85, 311,896.98 and 74,784.06

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Solution

The fourth proportional to 207,914.85, 311,896.98 and 74,784.06 is: 112,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,914.85 : 311,896.98 = 74,784.06 : x
  2. Step 2: Convert to fraction form
    207,914.85/311,896.98 = 74,784.06/x
  3. Step 3: Cross multiply
    207,914.85x = 311,896.98 × 74,784.06
  4. Step 4: Simplify right side
    207,914.85x = 23,324,922,466.14
  5. Step 5: Solve for x
    x = 23,324,922,466.14/207,914.85
  6. Step 6: Final answer
    x = 112,184.98

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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.