Home / 230,926.20-346,439.70-131,134.20

Finding the Fourth Proportional to 230,926.20, 346,439.70 and 131,134.20

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Solution

The fourth proportional to 230,926.20, 346,439.70 and 131,134.20 is: 196,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,926.20 : 346,439.70 = 131,134.20 : x
  2. Step 2: Convert to fraction form
    230,926.20/346,439.70 = 131,134.20/x
  3. Step 3: Cross multiply
    230,926.20x = 346,439.70 × 131,134.20
  4. Step 4: Simplify right side
    230,926.20x = 45,430,092,907.74
  5. Step 5: Solve for x
    x = 45,430,092,907.74/230,926.20
  6. Step 6: Final answer
    x = 196,729.92

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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.