Home / 146,209.10-219,022.05-83,806.70

Finding the Fourth Proportional to 146,209.10, 219,022.05 and 83,806.70

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Solution

The fourth proportional to 146,209.10, 219,022.05 and 83,806.70 is: 125,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,209.10 : 219,022.05 = 83,806.70 : x
  2. Step 2: Convert to fraction form
    146,209.10/219,022.05 = 83,806.70/x
  3. Step 3: Cross multiply
    146,209.10x = 219,022.05 × 83,806.70
  4. Step 4: Simplify right side
    146,209.10x = 18,355,515,237.74
  5. Step 5: Solve for x
    x = 18,355,515,237.74/146,209.10
  6. Step 6: Final answer
    x = 125,542.91

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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.