Home / 135,752.25-203,633.87-64,638.30

Finding the Fourth Proportional to 135,752.25, 203,633.87 and 64,638.30

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Solution

The fourth proportional to 135,752.25, 203,633.87 and 64,638.30 is: 96,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,752.25 : 203,633.87 = 64,638.30 : x
  2. Step 2: Convert to fraction form
    135,752.25/203,633.87 = 64,638.30/x
  3. Step 3: Cross multiply
    135,752.25x = 203,633.87 × 64,638.30
  4. Step 4: Simplify right side
    135,752.25x = 13,162,546,856.03
  5. Step 5: Solve for x
    x = 13,162,546,856.03/135,752.25
  6. Step 6: Final answer
    x = 96,960.06

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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.