Home / 299,617.03-449,427.25-99,936.83

Finding the Fourth Proportional to 299,617.03, 449,427.25 and 99,936.83

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Solution

The fourth proportional to 299,617.03, 449,427.25 and 99,936.83 is: 149,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,617.03 : 449,427.25 = 99,936.83 : x
  2. Step 2: Convert to fraction form
    299,617.03/449,427.25 = 99,936.83/x
  3. Step 3: Cross multiply
    299,617.03x = 449,427.25 × 99,936.83
  4. Step 4: Simplify right side
    299,617.03x = 44,914,332,347.46
  5. Step 5: Solve for x
    x = 44,914,332,347.46/299,617.03
  6. Step 6: Final answer
    x = 149,905.81

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1.5x scale

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.