Home / 195,380.02-269,623.38-109,339.12

Finding the Fourth Proportional to 195,380.02, 269,623.38 and 109,339.12

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Solution

The fourth proportional to 195,380.02, 269,623.38 and 109,339.12 is: 150,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,380.02 : 269,623.38 = 109,339.12 : x
  2. Step 2: Convert to fraction form
    195,380.02/269,623.38 = 109,339.12/x
  3. Step 3: Cross multiply
    195,380.02x = 269,623.38 × 109,339.12
  4. Step 4: Simplify right side
    195,380.02x = 29,480,383,100.63
  5. Step 5: Solve for x
    x = 29,480,383,100.63/195,380.02
  6. Step 6: Final answer
    x = 150,887.40

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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.