Home / 129,489.12-194,236.20-35,993.52

Finding the Fourth Proportional to 129,489.12, 194,236.20 and 35,993.52

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Solution

The fourth proportional to 129,489.12, 194,236.20 and 35,993.52 is: 53,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,489.12 : 194,236.20 = 35,993.52 : x
  2. Step 2: Convert to fraction form
    129,489.12/194,236.20 = 35,993.52/x
  3. Step 3: Cross multiply
    129,489.12x = 194,236.20 × 35,993.52
  4. Step 4: Simplify right side
    129,489.12x = 6,991,244,549.42
  5. Step 5: Solve for x
    x = 6,991,244,549.42/129,489.12
  6. Step 6: Final answer
    x = 53,990.98

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1.5x scale

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.