Home / 349,212.62-523,380.68-149,298.03

Finding the Fourth Proportional to 349,212.62, 523,380.68 and 149,298.03

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Solution

The fourth proportional to 349,212.62, 523,380.68 and 149,298.03 is: 223,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,212.62 : 523,380.68 = 149,298.03 : x
  2. Step 2: Convert to fraction form
    349,212.62/523,380.68 = 149,298.03/x
  3. Step 3: Cross multiply
    349,212.62x = 523,380.68 × 149,298.03
  4. Step 4: Simplify right side
    349,212.62x = 78,139,703,717.57
  5. Step 5: Solve for x
    x = 78,139,703,717.57/349,212.62
  6. Step 6: Final answer
    x = 223,759.68

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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.