Home / 328,911.28-493,517.58-178,926.82

Finding the Fourth Proportional to 328,911.28, 493,517.58 and 178,926.82

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Solution

The fourth proportional to 328,911.28, 493,517.58 and 178,926.82 is: 268,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,911.28 : 493,517.58 = 178,926.82 : x
  2. Step 2: Convert to fraction form
    328,911.28/493,517.58 = 178,926.82/x
  3. Step 3: Cross multiply
    328,911.28x = 493,517.58 × 178,926.82
  4. Step 4: Simplify right side
    328,911.28x = 88,303,529,298.73
  5. Step 5: Solve for x
    x = 88,303,529,298.73/328,911.28
  6. Step 6: Final answer
    x = 268,472.18

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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.