Home / 319,426.07-479,035.46-106,136.71

Finding the Fourth Proportional to 319,426.07, 479,035.46 and 106,136.71

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Solution

The fourth proportional to 319,426.07, 479,035.46 and 106,136.71 is: 159,170.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,426.07 : 479,035.46 = 106,136.71 : x
  2. Step 2: Convert to fraction form
    319,426.07/479,035.46 = 106,136.71/x
  3. Step 3: Cross multiply
    319,426.07x = 479,035.46 × 106,136.71
  4. Step 4: Simplify right side
    319,426.07x = 50,843,246,692.86
  5. Step 5: Solve for x
    x = 50,843,246,692.86/319,426.07
  6. Step 6: Final answer
    x = 159,170.62

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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.