Home / 412,664.27-618,954.90-113,174.96

Finding the Fourth Proportional to 412,664.27, 618,954.90 and 113,174.96

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Solution

The fourth proportional to 412,664.27, 618,954.90 and 113,174.96 is: 169,751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,664.27 : 618,954.90 = 113,174.96 : x
  2. Step 2: Convert to fraction form
    412,664.27/618,954.90 = 113,174.96/x
  3. Step 3: Cross multiply
    412,664.27x = 618,954.90 × 113,174.96
  4. Step 4: Simplify right side
    412,664.27x = 70,050,192,954.53
  5. Step 5: Solve for x
    x = 70,050,192,954.53/412,664.27
  6. Step 6: Final answer
    x = 169,751.05

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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.