Home / 130,170.67-195,285.30-45,936.83

Finding the Fourth Proportional to 130,170.67, 195,285.30 and 45,936.83

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Solution

The fourth proportional to 130,170.67, 195,285.30 and 45,936.83 is: 68,915.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,170.67 : 195,285.30 = 45,936.83 : x
  2. Step 2: Convert to fraction form
    130,170.67/195,285.30 = 45,936.83/x
  3. Step 3: Cross multiply
    130,170.67x = 195,285.30 × 45,936.83
  4. Step 4: Simplify right side
    130,170.67x = 8,970,787,627.60
  5. Step 5: Solve for x
    x = 8,970,787,627.60/130,170.67
  6. Step 6: Final answer
    x = 68,915.58

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1.5x scale

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.