Home / 331,406.68-457,195.74-223,937.56

Finding the Fourth Proportional to 331,406.68, 457,195.74 and 223,937.56

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Solution

The fourth proportional to 331,406.68, 457,195.74 and 223,937.56 is: 308,935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,406.68 : 457,195.74 = 223,937.56 : x
  2. Step 2: Convert to fraction form
    331,406.68/457,195.74 = 223,937.56/x
  3. Step 3: Cross multiply
    331,406.68x = 457,195.74 × 223,937.56
  4. Step 4: Simplify right side
    331,406.68x = 102,383,298,457.99
  5. Step 5: Solve for x
    x = 102,383,298,457.99/331,406.68
  6. Step 6: Final answer
    x = 308,935.53

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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.