Home / 144,634.40-199,589.60-84,206.80

Finding the Fourth Proportional to 144,634.40, 199,589.60 and 84,206.80

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Solution

The fourth proportional to 144,634.40, 199,589.60 and 84,206.80 is: 116,201.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,634.40 : 199,589.60 = 84,206.80 : x
  2. Step 2: Convert to fraction form
    144,634.40/199,589.60 = 84,206.80/x
  3. Step 3: Cross multiply
    144,634.40x = 199,589.60 × 84,206.80
  4. Step 4: Simplify right side
    144,634.40x = 16,806,801,529.28
  5. Step 5: Solve for x
    x = 16,806,801,529.28/144,634.40
  6. Step 6: Final answer
    x = 116,201.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.