Home / 135,944.97-187,607.44-75,512.69

Finding the Fourth Proportional to 135,944.97, 187,607.44 and 75,512.69

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Solution

The fourth proportional to 135,944.97, 187,607.44 and 75,512.69 is: 104,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,944.97 : 187,607.44 = 75,512.69 : x
  2. Step 2: Convert to fraction form
    135,944.97/187,607.44 = 75,512.69/x
  3. Step 3: Cross multiply
    135,944.97x = 187,607.44 × 75,512.69
  4. Step 4: Simplify right side
    135,944.97x = 14,166,742,458.41
  5. Step 5: Solve for x
    x = 14,166,742,458.41/135,944.97
  6. Step 6: Final answer
    x = 104,209.39

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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.