Home / 345,847.22-518,824.46-146,168.45

Finding the Fourth Proportional to 345,847.22, 518,824.46 and 146,168.45

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Solution

The fourth proportional to 345,847.22, 518,824.46 and 146,168.45 is: 219,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,847.22 : 518,824.46 = 146,168.45 : x
  2. Step 2: Convert to fraction form
    345,847.22/518,824.46 = 146,168.45/x
  3. Step 3: Cross multiply
    345,847.22x = 518,824.46 × 146,168.45
  4. Step 4: Simplify right side
    345,847.22x = 75,835,764,911.59
  5. Step 5: Solve for x
    x = 75,835,764,911.59/345,847.22
  6. Step 6: Final answer
    x = 219,275.34

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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.