Home / 135,489.20-203,247.32-46,730.96

Finding the Fourth Proportional to 135,489.20, 203,247.32 and 46,730.96

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Solution

The fourth proportional to 135,489.20, 203,247.32 and 46,730.96 is: 70,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,489.20 : 203,247.32 = 46,730.96 : x
  2. Step 2: Convert to fraction form
    135,489.20/203,247.32 = 46,730.96/x
  3. Step 3: Cross multiply
    135,489.20x = 203,247.32 × 46,730.96
  4. Step 4: Simplify right side
    135,489.20x = 9,497,942,381.03
  5. Step 5: Solve for x
    x = 9,497,942,381.03/135,489.20
  6. Step 6: Final answer
    x = 70,101.10

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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.