Home / 242,786.41-335,037.90-133,890.69

Finding the Fourth Proportional to 242,786.41, 335,037.90 and 133,890.69

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Solution

The fourth proportional to 242,786.41, 335,037.90 and 133,890.69 is: 184,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,786.41 : 335,037.90 = 133,890.69 : x
  2. Step 2: Convert to fraction form
    242,786.41/335,037.90 = 133,890.69/x
  3. Step 3: Cross multiply
    242,786.41x = 335,037.90 × 133,890.69
  4. Step 4: Simplify right side
    242,786.41x = 44,858,455,481.05
  5. Step 5: Solve for x
    x = 44,858,455,481.05/242,786.41
  6. Step 6: Final answer
    x = 184,765.10

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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.