Home / 328,930.39-453,934.92-201,581.38

Finding the Fourth Proportional to 328,930.39, 453,934.92 and 201,581.38

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Solution

The fourth proportional to 328,930.39, 453,934.92 and 201,581.38 is: 278,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,930.39 : 453,934.92 = 201,581.38 : x
  2. Step 2: Convert to fraction form
    328,930.39/453,934.92 = 201,581.38/x
  3. Step 3: Cross multiply
    328,930.39x = 453,934.92 × 201,581.38
  4. Step 4: Simplify right side
    328,930.39x = 91,504,827,603.79
  5. Step 5: Solve for x
    x = 91,504,827,603.79/328,930.39
  6. Step 6: Final answer
    x = 278,189.03

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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.