Home / 207,711.40-311,523.36-74,599.24

Finding the Fourth Proportional to 207,711.40, 311,523.36 and 74,599.24

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Solution

The fourth proportional to 207,711.40, 311,523.36 and 74,599.24 is: 111,883.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,711.40 : 311,523.36 = 74,599.24 : x
  2. Step 2: Convert to fraction form
    207,711.40/311,523.36 = 74,599.24/x
  3. Step 3: Cross multiply
    207,711.40x = 311,523.36 × 74,599.24
  4. Step 4: Simplify right side
    207,711.40x = 23,239,405,898.25
  5. Step 5: Solve for x
    x = 23,239,405,898.25/207,711.40
  6. Step 6: Final answer
    x = 111,883.15

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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.