Home / 251,226.69-346,695.57-138,049.44

Finding the Fourth Proportional to 251,226.69, 346,695.57 and 138,049.44

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Solution

The fourth proportional to 251,226.69, 346,695.57 and 138,049.44 is: 190,509.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,226.69 : 346,695.57 = 138,049.44 : x
  2. Step 2: Convert to fraction form
    251,226.69/346,695.57 = 138,049.44/x
  3. Step 3: Cross multiply
    251,226.69x = 346,695.57 × 138,049.44
  4. Step 4: Simplify right side
    251,226.69x = 47,861,129,288.98
  5. Step 5: Solve for x
    x = 47,861,129,288.98/251,226.69
  6. Step 6: Final answer
    x = 190,509.73

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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.