Home / 207,919.59-311,917.82-65,800.64

Finding the Fourth Proportional to 207,919.59, 311,917.82 and 65,800.64

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Solution

The fourth proportional to 207,919.59, 311,917.82 and 65,800.64 is: 98,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,919.59 : 311,917.82 = 65,800.64 : x
  2. Step 2: Convert to fraction form
    207,919.59/311,917.82 = 65,800.64/x
  3. Step 3: Cross multiply
    207,919.59x = 311,917.82 × 65,800.64
  4. Step 4: Simplify right side
    207,919.59x = 20,524,390,294.81
  5. Step 5: Solve for x
    x = 20,524,390,294.81/207,919.59
  6. Step 6: Final answer
    x = 98,713.11

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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.