Home / 96,796.20-145,194.30-81,244.20

Finding the Fourth Proportional to 96,796.20, 145,194.30 and 81,244.20

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Solution

The fourth proportional to 96,796.20, 145,194.30 and 81,244.20 is: 121,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,796.20 : 145,194.30 = 81,244.20 : x
  2. Step 2: Convert to fraction form
    96,796.20/145,194.30 = 81,244.20/x
  3. Step 3: Cross multiply
    96,796.20x = 145,194.30 × 81,244.20
  4. Step 4: Simplify right side
    96,796.20x = 11,796,194,748.06
  5. Step 5: Solve for x
    x = 11,796,194,748.06/96,796.20
  6. Step 6: Final answer
    x = 121,866.30

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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.