Home / 195,235.12-269,426.04-105,811.12

Finding the Fourth Proportional to 195,235.12, 269,426.04 and 105,811.12

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Solution

The fourth proportional to 195,235.12, 269,426.04 and 105,811.12 is: 146,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,235.12 : 269,426.04 = 105,811.12 : x
  2. Step 2: Convert to fraction form
    195,235.12/269,426.04 = 105,811.12/x
  3. Step 3: Cross multiply
    195,235.12x = 269,426.04 × 105,811.12
  4. Step 4: Simplify right side
    195,235.12x = 28,508,271,049.56
  5. Step 5: Solve for x
    x = 28,508,271,049.56/195,235.12
  6. Step 6: Final answer
    x = 146,020.20

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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.