Home / 322,931.20-484,178.10-165,029.80

Finding the Fourth Proportional to 322,931.20, 484,178.10 and 165,029.80

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Solution

The fourth proportional to 322,931.20, 484,178.10 and 165,029.80 is: 247,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,931.20 : 484,178.10 = 165,029.80 : x
  2. Step 2: Convert to fraction form
    322,931.20/484,178.10 = 165,029.80/x
  3. Step 3: Cross multiply
    322,931.20x = 484,178.10 × 165,029.80
  4. Step 4: Simplify right side
    322,931.20x = 79,903,815,007.38
  5. Step 5: Solve for x
    x = 79,903,815,007.38/322,931.20
  6. Step 6: Final answer
    x = 247,432.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.