Home / 328,936.90-453,932.88-178,033.90

Finding the Fourth Proportional to 328,936.90, 453,932.88 and 178,033.90

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Solution

The fourth proportional to 328,936.90, 453,932.88 and 178,033.90 is: 245,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,936.90 : 453,932.88 = 178,033.90 : x
  2. Step 2: Convert to fraction form
    328,936.90/453,932.88 = 178,033.90/x
  3. Step 3: Cross multiply
    328,936.90x = 453,932.88 × 178,033.90
  4. Step 4: Simplify right side
    328,936.90x = 80,815,440,964.63
  5. Step 5: Solve for x
    x = 80,815,440,964.63/328,936.90
  6. Step 6: Final answer
    x = 245,686.76

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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.