Home / 195,459.12-269,710.83-109,422.81

Finding the Fourth Proportional to 195,459.12, 269,710.83 and 109,422.81

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Solution

The fourth proportional to 195,459.12, 269,710.83 and 109,422.81 is: 150,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,459.12 : 269,710.83 = 109,422.81 : x
  2. Step 2: Convert to fraction form
    195,459.12/269,710.83 = 109,422.81/x
  3. Step 3: Cross multiply
    195,459.12x = 269,710.83 × 109,422.81
  4. Step 4: Simplify right side
    195,459.12x = 29,512,516,906.03
  5. Step 5: Solve for x
    x = 29,512,516,906.03/195,459.12
  6. Step 6: Final answer
    x = 150,990.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.