Home / 135,929.68-203,905.24-36,089.88

Finding the Fourth Proportional to 135,929.68, 203,905.24 and 36,089.88

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Solution

The fourth proportional to 135,929.68, 203,905.24 and 36,089.88 is: 54,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,929.68 : 203,905.24 = 36,089.88 : x
  2. Step 2: Convert to fraction form
    135,929.68/203,905.24 = 36,089.88/x
  3. Step 3: Cross multiply
    135,929.68x = 203,905.24 × 36,089.88
  4. Step 4: Simplify right side
    135,929.68x = 7,358,915,642.97
  5. Step 5: Solve for x
    x = 7,358,915,642.97/135,929.68
  6. Step 6: Final answer
    x = 54,137.67

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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.