Home / 135,406.10-203,109.15-133,073.30

Finding the Fourth Proportional to 135,406.10, 203,109.15 and 133,073.30

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Solution

The fourth proportional to 135,406.10, 203,109.15 and 133,073.30 is: 199,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,406.10 : 203,109.15 = 133,073.30 : x
  2. Step 2: Convert to fraction form
    135,406.10/203,109.15 = 133,073.30/x
  3. Step 3: Cross multiply
    135,406.10x = 203,109.15 × 133,073.30
  4. Step 4: Simplify right side
    135,406.10x = 27,028,404,850.70
  5. Step 5: Solve for x
    x = 27,028,404,850.70/135,406.10
  6. Step 6: Final answer
    x = 199,609.95

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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.