Home / 135,507.32-203,261.10-56,578.52

Finding the Fourth Proportional to 135,507.32, 203,261.10 and 56,578.52

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Solution

The fourth proportional to 135,507.32, 203,261.10 and 56,578.52 is: 84,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,507.32 : 203,261.10 = 56,578.52 : x
  2. Step 2: Convert to fraction form
    135,507.32/203,261.10 = 56,578.52/x
  3. Step 3: Cross multiply
    135,507.32x = 203,261.10 × 56,578.52
  4. Step 4: Simplify right side
    135,507.32x = 11,500,212,211.57
  5. Step 5: Solve for x
    x = 11,500,212,211.57/135,507.32
  6. Step 6: Final answer
    x = 84,867.83

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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.