Home / 449,113.50-673,781.22-133,569.09

Finding the Fourth Proportional to 449,113.50, 673,781.22 and 133,569.09

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Solution

The fourth proportional to 449,113.50, 673,781.22 and 133,569.09 is: 200,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,113.50 : 673,781.22 = 133,569.09 : x
  2. Step 2: Convert to fraction form
    449,113.50/673,781.22 = 133,569.09/x
  3. Step 3: Cross multiply
    449,113.50x = 673,781.22 × 133,569.09
  4. Step 4: Simplify right side
    449,113.50x = 89,996,344,414.49
  5. Step 5: Solve for x
    x = 89,996,344,414.49/449,113.50
  6. Step 6: Final answer
    x = 200,386.64

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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.