Home / 207,983.34-311,975.01-67,741.95

Finding the Fourth Proportional to 207,983.34, 311,975.01 and 67,741.95

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Solution

The fourth proportional to 207,983.34, 311,975.01 and 67,741.95 is: 101,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,983.34 : 311,975.01 = 67,741.95 : x
  2. Step 2: Convert to fraction form
    207,983.34/311,975.01 = 67,741.95/x
  3. Step 3: Cross multiply
    207,983.34x = 311,975.01 × 67,741.95
  4. Step 4: Simplify right side
    207,983.34x = 21,133,795,528.67
  5. Step 5: Solve for x
    x = 21,133,795,528.67/207,983.34
  6. Step 6: Final answer
    x = 101,612.93

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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.