Home / 135,909.32-203,783.22-51,675.64

Finding the Fourth Proportional to 135,909.32, 203,783.22 and 51,675.64

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Solution

The fourth proportional to 135,909.32, 203,783.22 and 51,675.64 is: 77,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,909.32 : 203,783.22 = 51,675.64 : x
  2. Step 2: Convert to fraction form
    135,909.32/203,783.22 = 51,675.64/x
  3. Step 3: Cross multiply
    135,909.32x = 203,783.22 × 51,675.64
  4. Step 4: Simplify right side
    135,909.32x = 10,530,627,805.30
  5. Step 5: Solve for x
    x = 10,530,627,805.30/135,909.32
  6. Step 6: Final answer
    x = 77,482.75

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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.