Home / 412,096.21-618,073.44-123,903.47

Finding the Fourth Proportional to 412,096.21, 618,073.44 and 123,903.47

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Solution

The fourth proportional to 412,096.21, 618,073.44 and 123,903.47 is: 185,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,096.21 : 618,073.44 = 123,903.47 : x
  2. Step 2: Convert to fraction form
    412,096.21/618,073.44 = 123,903.47/x
  3. Step 3: Cross multiply
    412,096.21x = 618,073.44 × 123,903.47
  4. Step 4: Simplify right side
    412,096.21x = 76,581,445,011.38
  5. Step 5: Solve for x
    x = 76,581,445,011.38/412,096.21
  6. Step 6: Final answer
    x = 185,833.90

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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.