Home / 250,683.68-345,942.48-135,961.86

Finding the Fourth Proportional to 250,683.68, 345,942.48 and 135,961.86

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Solution

The fourth proportional to 250,683.68, 345,942.48 and 135,961.86 is: 187,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,683.68 : 345,942.48 = 135,961.86 : x
  2. Step 2: Convert to fraction form
    250,683.68/345,942.48 = 135,961.86/x
  3. Step 3: Cross multiply
    250,683.68x = 345,942.48 × 135,961.86
  4. Step 4: Simplify right side
    250,683.68x = 47,034,983,033.81
  5. Step 5: Solve for x
    x = 47,034,983,033.81/250,683.68
  6. Step 6: Final answer
    x = 187,626.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.