Home / 135,734.34-203,705.38-97,765.32

Finding the Fourth Proportional to 135,734.34, 203,705.38 and 97,765.32

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Solution

The fourth proportional to 135,734.34, 203,705.38 and 97,765.32 is: 146,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,734.34 : 203,705.38 = 97,765.32 : x
  2. Step 2: Convert to fraction form
    135,734.34/203,705.38 = 97,765.32/x
  3. Step 3: Cross multiply
    135,734.34x = 203,705.38 × 97,765.32
  4. Step 4: Simplify right side
    135,734.34x = 19,915,321,661.42
  5. Step 5: Solve for x
    x = 19,915,321,661.42/135,734.34
  6. Step 6: Final answer
    x = 146,722.79

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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.