Home / 135,823-203,549.92-51,537.85

Finding the Fourth Proportional to 135,823, 203,549.92 and 51,537.85

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Solution

The fourth proportional to 135,823, 203,549.92 and 51,537.85 is: 77,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,823 : 203,549.92 = 51,537.85 : x
  2. Step 2: Convert to fraction form
    135,823/203,549.92 = 51,537.85/x
  3. Step 3: Cross multiply
    135,823x = 203,549.92 × 51,537.85
  4. Step 4: Simplify right side
    135,823x = 10,490,525,244.47
  5. Step 5: Solve for x
    x = 10,490,525,244.47/135,823
  6. Step 6: Final answer
    x = 77,236.74

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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.