Home / 207,916.38-311,913.06-65,797.42

Finding the Fourth Proportional to 207,916.38, 311,913.06 and 65,797.42

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Solution

The fourth proportional to 207,916.38, 311,913.06 and 65,797.42 is: 98,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,916.38 : 311,913.06 = 65,797.42 : x
  2. Step 2: Convert to fraction form
    207,916.38/311,913.06 = 65,797.42/x
  3. Step 3: Cross multiply
    207,916.38x = 311,913.06 × 65,797.42
  4. Step 4: Simplify right side
    207,916.38x = 20,523,074,283.32
  5. Step 5: Solve for x
    x = 20,523,074,283.32/207,916.38
  6. Step 6: Final answer
    x = 98,708.31

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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.