Home / 146,100.03-219,179.82-66,099.57

Finding the Fourth Proportional to 146,100.03, 219,179.82 and 66,099.57

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Solution

The fourth proportional to 146,100.03, 219,179.82 and 66,099.57 is: 99,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,100.03 : 219,179.82 = 66,099.57 : x
  2. Step 2: Convert to fraction form
    146,100.03/219,179.82 = 66,099.57/x
  3. Step 3: Cross multiply
    146,100.03x = 219,179.82 × 66,099.57
  4. Step 4: Simplify right side
    146,100.03x = 14,487,691,854.68
  5. Step 5: Solve for x
    x = 14,487,691,854.68/146,100.03
  6. Step 6: Final answer
    x = 99,162.83

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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.