Home / 311,022.40-466,607.63-100,660.34

Finding the Fourth Proportional to 311,022.40, 466,607.63 and 100,660.34

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Solution

The fourth proportional to 311,022.40, 466,607.63 and 100,660.34 is: 151,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,022.40 : 466,607.63 = 100,660.34 : x
  2. Step 2: Convert to fraction form
    311,022.40/466,607.63 = 100,660.34/x
  3. Step 3: Cross multiply
    311,022.40x = 466,607.63 × 100,660.34
  4. Step 4: Simplify right side
    311,022.40x = 46,968,879,846.05
  5. Step 5: Solve for x
    x = 46,968,879,846.05/311,022.40
  6. Step 6: Final answer
    x = 151,014.46

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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.