Home / 126,043.60-188,887.20-69,908.44

Finding the Fourth Proportional to 126,043.60, 188,887.20 and 69,908.44

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Solution

The fourth proportional to 126,043.60, 188,887.20 and 69,908.44 is: 104,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,043.60 : 188,887.20 = 69,908.44 : x
  2. Step 2: Convert to fraction form
    126,043.60/188,887.20 = 69,908.44/x
  3. Step 3: Cross multiply
    126,043.60x = 188,887.20 × 69,908.44
  4. Step 4: Simplify right side
    126,043.60x = 13,204,809,487.97
  5. Step 5: Solve for x
    x = 13,204,809,487.97/126,043.60
  6. Step 6: Final answer
    x = 104,763.82

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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.