Home / 195,139.09-269,305.56-109,114.83

Finding the Fourth Proportional to 195,139.09, 269,305.56 and 109,114.83

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Solution

The fourth proportional to 195,139.09, 269,305.56 and 109,114.83 is: 150,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,139.09 : 269,305.56 = 109,114.83 : x
  2. Step 2: Convert to fraction form
    195,139.09/269,305.56 = 109,114.83/x
  3. Step 3: Cross multiply
    195,139.09x = 269,305.56 × 109,114.83
  4. Step 4: Simplify right side
    195,139.09x = 29,385,230,397.45
  5. Step 5: Solve for x
    x = 29,385,230,397.45/195,139.09
  6. Step 6: Final answer
    x = 150,586.08

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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.