Home / 135,336.72-203,000.21-35,496.12

Finding the Fourth Proportional to 135,336.72, 203,000.21 and 35,496.12

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Solution

The fourth proportional to 135,336.72, 203,000.21 and 35,496.12 is: 53,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,336.72 : 203,000.21 = 35,496.12 : x
  2. Step 2: Convert to fraction form
    135,336.72/203,000.21 = 35,496.12/x
  3. Step 3: Cross multiply
    135,336.72x = 203,000.21 × 35,496.12
  4. Step 4: Simplify right side
    135,336.72x = 7,205,718,799.18
  5. Step 5: Solve for x
    x = 7,205,718,799.18/135,336.72
  6. Step 6: Final answer
    x = 53,242.90

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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.