Home / 135,930.76-187,366.24-92,309.60

Finding the Fourth Proportional to 135,930.76, 187,366.24 and 92,309.60

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Solution

The fourth proportional to 135,930.76, 187,366.24 and 92,309.60 is: 127,239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,930.76 : 187,366.24 = 92,309.60 : x
  2. Step 2: Convert to fraction form
    135,930.76/187,366.24 = 92,309.60/x
  3. Step 3: Cross multiply
    135,930.76x = 187,366.24 × 92,309.60
  4. Step 4: Simplify right side
    135,930.76x = 17,295,702,667.90
  5. Step 5: Solve for x
    x = 17,295,702,667.90/135,930.76
  6. Step 6: Final answer
    x = 127,239.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.