Home / 135,964.29-203,925.37-69,453.57

Finding the Fourth Proportional to 135,964.29, 203,925.37 and 69,453.57

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Solution

The fourth proportional to 135,964.29, 203,925.37 and 69,453.57 is: 104,169.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,964.29 : 203,925.37 = 69,453.57 : x
  2. Step 2: Convert to fraction form
    135,964.29/203,925.37 = 69,453.57/x
  3. Step 3: Cross multiply
    135,964.29x = 203,925.37 × 69,453.57
  4. Step 4: Simplify right side
    135,964.29x = 14,163,343,593.18
  5. Step 5: Solve for x
    x = 14,163,343,593.18/135,964.29
  6. Step 6: Final answer
    x = 104,169.59

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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.