Home / 333,438.17-499,905.75-108,664.43

Finding the Fourth Proportional to 333,438.17, 499,905.75 and 108,664.43

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Solution

The fourth proportional to 333,438.17, 499,905.75 and 108,664.43 is: 162,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,438.17 : 499,905.75 = 108,664.43 : x
  2. Step 2: Convert to fraction form
    333,438.17/499,905.75 = 108,664.43/x
  3. Step 3: Cross multiply
    333,438.17x = 499,905.75 × 108,664.43
  4. Step 4: Simplify right side
    333,438.17x = 54,321,973,377.47
  5. Step 5: Solve for x
    x = 54,321,973,377.47/333,438.17
  6. Step 6: Final answer
    x = 162,914.68

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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.