Home / 135,721.14-203,449.33-64,624.67

Finding the Fourth Proportional to 135,721.14, 203,449.33 and 64,624.67

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Solution

The fourth proportional to 135,721.14, 203,449.33 and 64,624.67 is: 96,873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,721.14 : 203,449.33 = 64,624.67 : x
  2. Step 2: Convert to fraction form
    135,721.14/203,449.33 = 64,624.67/x
  3. Step 3: Cross multiply
    135,721.14x = 203,449.33 × 64,624.67
  4. Step 4: Simplify right side
    135,721.14x = 13,147,845,812.97
  5. Step 5: Solve for x
    x = 13,147,845,812.97/135,721.14
  6. Step 6: Final answer
    x = 96,873.97

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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.