Home / 207,824.11-311,173.08-107,774.50

Finding the Fourth Proportional to 207,824.11, 311,173.08 and 107,774.50

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Solution

The fourth proportional to 207,824.11, 311,173.08 and 107,774.50 is: 161,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,824.11 : 311,173.08 = 107,774.50 : x
  2. Step 2: Convert to fraction form
    207,824.11/311,173.08 = 107,774.50/x
  3. Step 3: Cross multiply
    207,824.11x = 311,173.08 × 107,774.50
  4. Step 4: Simplify right side
    207,824.11x = 33,536,523,110.46
  5. Step 5: Solve for x
    x = 33,536,523,110.46/207,824.11
  6. Step 6: Final answer
    x = 161,369.74

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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.