Home / 195,761.40-293,642.10-71,086.20

Finding the Fourth Proportional to 195,761.40, 293,642.10 and 71,086.20

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Solution

The fourth proportional to 195,761.40, 293,642.10 and 71,086.20 is: 106,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,761.40 : 293,642.10 = 71,086.20 : x
  2. Step 2: Convert to fraction form
    195,761.40/293,642.10 = 71,086.20/x
  3. Step 3: Cross multiply
    195,761.40x = 293,642.10 × 71,086.20
  4. Step 4: Simplify right side
    195,761.40x = 20,873,901,049.02
  5. Step 5: Solve for x
    x = 20,873,901,049.02/195,761.40
  6. Step 6: Final answer
    x = 106,629.30

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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.