Home / 214,869.80-322,035.90-109,730.60

Finding the Fourth Proportional to 214,869.80, 322,035.90 and 109,730.60

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Solution

The fourth proportional to 214,869.80, 322,035.90 and 109,730.60 is: 164,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,869.80 : 322,035.90 = 109,730.60 : x
  2. Step 2: Convert to fraction form
    214,869.80/322,035.90 = 109,730.60/x
  3. Step 3: Cross multiply
    214,869.80x = 322,035.90 × 109,730.60
  4. Step 4: Simplify right side
    214,869.80x = 35,337,192,528.54
  5. Step 5: Solve for x
    x = 35,337,192,528.54/214,869.80
  6. Step 6: Final answer
    x = 164,458.63

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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.