Home / 146,619.10-219,928.65-133,059.70

Finding the Fourth Proportional to 146,619.10, 219,928.65 and 133,059.70

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Solution

The fourth proportional to 146,619.10, 219,928.65 and 133,059.70 is: 199,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,619.10 : 219,928.65 = 133,059.70 : x
  2. Step 2: Convert to fraction form
    146,619.10/219,928.65 = 133,059.70/x
  3. Step 3: Cross multiply
    146,619.10x = 219,928.65 × 133,059.70
  4. Step 4: Simplify right side
    146,619.10x = 29,263,640,190.41
  5. Step 5: Solve for x
    x = 29,263,640,190.41/146,619.10
  6. Step 6: Final answer
    x = 199,589.55

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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.