Home / 135,357.38-203,077.58-60,540.46

Finding the Fourth Proportional to 135,357.38, 203,077.58 and 60,540.46

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Solution

The fourth proportional to 135,357.38, 203,077.58 and 60,540.46 is: 90,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,357.38 : 203,077.58 = 60,540.46 : x
  2. Step 2: Convert to fraction form
    135,357.38/203,077.58 = 60,540.46/x
  3. Step 3: Cross multiply
    135,357.38x = 203,077.58 × 60,540.46
  4. Step 4: Simplify right side
    135,357.38x = 12,294,410,108.89
  5. Step 5: Solve for x
    x = 12,294,410,108.89/135,357.38
  6. Step 6: Final answer
    x = 90,829.26

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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.