Home / 129,270.12-193,903.74-50,439.72

Finding the Fourth Proportional to 129,270.12, 193,903.74 and 50,439.72

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Solution

The fourth proportional to 129,270.12, 193,903.74 and 50,439.72 is: 75,659.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,270.12 : 193,903.74 = 50,439.72 : x
  2. Step 2: Convert to fraction form
    129,270.12/193,903.74 = 50,439.72/x
  3. Step 3: Cross multiply
    129,270.12x = 193,903.74 × 50,439.72
  4. Step 4: Simplify right side
    129,270.12x = 9,780,450,352.55
  5. Step 5: Solve for x
    x = 9,780,450,352.55/129,270.12
  6. Step 6: Final answer
    x = 75,659.02

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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.