Home / 331,405.81-457,194.53-223,936.69

Finding the Fourth Proportional to 331,405.81, 457,194.53 and 223,936.69

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Solution

The fourth proportional to 331,405.81, 457,194.53 and 223,936.69 is: 308,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,405.81 : 457,194.53 = 223,936.69 : x
  2. Step 2: Convert to fraction form
    331,405.81/457,194.53 = 223,936.69/x
  3. Step 3: Cross multiply
    331,405.81x = 457,194.53 × 223,936.69
  4. Step 4: Simplify right side
    331,405.81x = 102,382,628,008.18
  5. Step 5: Solve for x
    x = 102,382,628,008.18/331,405.81
  6. Step 6: Final answer
    x = 308,934.32

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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.