Home / 146,100.22-219,160.05-51,318.88

Finding the Fourth Proportional to 146,100.22, 219,160.05 and 51,318.88

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Solution

The fourth proportional to 146,100.22, 219,160.05 and 51,318.88 is: 76,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,100.22 : 219,160.05 = 51,318.88 : x
  2. Step 2: Convert to fraction form
    146,100.22/219,160.05 = 51,318.88/x
  3. Step 3: Cross multiply
    146,100.22x = 219,160.05 × 51,318.88
  4. Step 4: Simplify right side
    146,100.22x = 11,247,048,306.74
  5. Step 5: Solve for x
    x = 11,247,048,306.74/146,100.22
  6. Step 6: Final answer
    x = 76,981.73

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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.