Home / 135,558.27-203,362.98-51,343.65

Finding the Fourth Proportional to 135,558.27, 203,362.98 and 51,343.65

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Solution

The fourth proportional to 135,558.27, 203,362.98 and 51,343.65 is: 77,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,558.27 : 203,362.98 = 51,343.65 : x
  2. Step 2: Convert to fraction form
    135,558.27/203,362.98 = 51,343.65/x
  3. Step 3: Cross multiply
    135,558.27x = 203,362.98 × 51,343.65
  4. Step 4: Simplify right side
    135,558.27x = 10,441,397,668.08
  5. Step 5: Solve for x
    x = 10,441,397,668.08/135,558.27
  6. Step 6: Final answer
    x = 77,025.16

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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.