Home / 328,941.62-453,943.27-192,977.90

Finding the Fourth Proportional to 328,941.62, 453,943.27 and 192,977.90

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Solution

The fourth proportional to 328,941.62, 453,943.27 and 192,977.90 is: 266,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,941.62 : 453,943.27 = 192,977.90 : x
  2. Step 2: Convert to fraction form
    328,941.62/453,943.27 = 192,977.90/x
  3. Step 3: Cross multiply
    328,941.62x = 453,943.27 × 192,977.90
  4. Step 4: Simplify right side
    328,941.62x = 87,601,018,963.73
  5. Step 5: Solve for x
    x = 87,601,018,963.73/328,941.62
  6. Step 6: Final answer
    x = 266,311.75

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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.