Home / 135,623.80-203,435.70-113,462.20

Finding the Fourth Proportional to 135,623.80, 203,435.70 and 113,462.20

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Solution

The fourth proportional to 135,623.80, 203,435.70 and 113,462.20 is: 170,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,623.80 : 203,435.70 = 113,462.20 : x
  2. Step 2: Convert to fraction form
    135,623.80/203,435.70 = 113,462.20/x
  3. Step 3: Cross multiply
    135,623.80x = 203,435.70 × 113,462.20
  4. Step 4: Simplify right side
    135,623.80x = 23,082,262,080.54
  5. Step 5: Solve for x
    x = 23,082,262,080.54/135,623.80
  6. Step 6: Final answer
    x = 170,193.30

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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.