Home / 127,276.20-190,914.30-126,498.60

Finding the Fourth Proportional to 127,276.20, 190,914.30 and 126,498.60

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Solution

The fourth proportional to 127,276.20, 190,914.30 and 126,498.60 is: 189,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,276.20 : 190,914.30 = 126,498.60 : x
  2. Step 2: Convert to fraction form
    127,276.20/190,914.30 = 126,498.60/x
  3. Step 3: Cross multiply
    127,276.20x = 190,914.30 × 126,498.60
  4. Step 4: Simplify right side
    127,276.20x = 24,150,391,669.98
  5. Step 5: Solve for x
    x = 24,150,391,669.98/127,276.20
  6. Step 6: Final answer
    x = 189,747.90

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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.