Home / 250,760.38-346,073.64-143,309.88

Finding the Fourth Proportional to 250,760.38, 346,073.64 and 143,309.88

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Solution

The fourth proportional to 250,760.38, 346,073.64 and 143,309.88 is: 197,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,760.38 : 346,073.64 = 143,309.88 : x
  2. Step 2: Convert to fraction form
    250,760.38/346,073.64 = 143,309.88/x
  3. Step 3: Cross multiply
    250,760.38x = 346,073.64 × 143,309.88
  4. Step 4: Simplify right side
    250,760.38x = 49,595,771,819.56
  5. Step 5: Solve for x
    x = 49,595,771,819.56/250,760.38
  6. Step 6: Final answer
    x = 197,781.53

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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.