Home / 181,213.60-271,723.20-75,913.60

Finding the Fourth Proportional to 181,213.60, 271,723.20 and 75,913.60

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Solution

The fourth proportional to 181,213.60, 271,723.20 and 75,913.60 is: 113,829.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,213.60 : 271,723.20 = 75,913.60 : x
  2. Step 2: Convert to fraction form
    181,213.60/271,723.20 = 75,913.60/x
  3. Step 3: Cross multiply
    181,213.60x = 271,723.20 × 75,913.60
  4. Step 4: Simplify right side
    181,213.60x = 20,627,486,315.52
  5. Step 5: Solve for x
    x = 20,627,486,315.52/181,213.60
  6. Step 6: Final answer
    x = 113,829.68

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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.