Home / 127,260.20-190,890.30-97,826.60

Finding the Fourth Proportional to 127,260.20, 190,890.30 and 97,826.60

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Solution

The fourth proportional to 127,260.20, 190,890.30 and 97,826.60 is: 146,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,260.20 : 190,890.30 = 97,826.60 : x
  2. Step 2: Convert to fraction form
    127,260.20/190,890.30 = 97,826.60/x
  3. Step 3: Cross multiply
    127,260.20x = 190,890.30 × 97,826.60
  4. Step 4: Simplify right side
    127,260.20x = 18,674,149,021.98
  5. Step 5: Solve for x
    x = 18,674,149,021.98/127,260.20
  6. Step 6: Final answer
    x = 146,739.90

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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.