Home / 195,439.10-293,201.64-111,238.88

Finding the Fourth Proportional to 195,439.10, 293,201.64 and 111,238.88

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Solution

The fourth proportional to 195,439.10, 293,201.64 and 111,238.88 is: 166,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,439.10 : 293,201.64 = 111,238.88 : x
  2. Step 2: Convert to fraction form
    195,439.10/293,201.64 = 111,238.88/x
  3. Step 3: Cross multiply
    195,439.10x = 293,201.64 × 111,238.88
  4. Step 4: Simplify right side
    195,439.10x = 32,615,420,581.76
  5. Step 5: Solve for x
    x = 32,615,420,581.76/195,439.10
  6. Step 6: Final answer
    x = 166,882.79

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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.