Home / 195,455.37-269,705.66-109,419.06

Finding the Fourth Proportional to 195,455.37, 269,705.66 and 109,419.06

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Solution

The fourth proportional to 195,455.37, 269,705.66 and 109,419.06 is: 150,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,455.37 : 269,705.66 = 109,419.06 : x
  2. Step 2: Convert to fraction form
    195,455.37/269,705.66 = 109,419.06/x
  3. Step 3: Cross multiply
    195,455.37x = 269,705.66 × 109,419.06
  4. Step 4: Simplify right side
    195,455.37x = 29,510,939,246.78
  5. Step 5: Solve for x
    x = 29,510,939,246.78/195,455.37
  6. Step 6: Final answer
    x = 150,985.56

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1.5x scale

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.