Home / 129,238.66-193,820.55-50,335.30

Finding the Fourth Proportional to 129,238.66, 193,820.55 and 50,335.30

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Solution

The fourth proportional to 129,238.66, 193,820.55 and 50,335.30 is: 75,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,238.66 : 193,820.55 = 50,335.30 : x
  2. Step 2: Convert to fraction form
    129,238.66/193,820.55 = 50,335.30/x
  3. Step 3: Cross multiply
    129,238.66x = 193,820.55 × 50,335.30
  4. Step 4: Simplify right side
    129,238.66x = 9,756,015,530.42
  5. Step 5: Solve for x
    x = 9,756,015,530.42/129,238.66
  6. Step 6: Final answer
    x = 75,488.37

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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.