Home / 133,667.45-200,814.73-126,101.64

Finding the Fourth Proportional to 133,667.45, 200,814.73 and 126,101.64

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Solution

The fourth proportional to 133,667.45, 200,814.73 and 126,101.64 is: 189,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,667.45 : 200,814.73 = 126,101.64 : x
  2. Step 2: Convert to fraction form
    133,667.45/200,814.73 = 126,101.64/x
  3. Step 3: Cross multiply
    133,667.45x = 200,814.73 × 126,101.64
  4. Step 4: Simplify right side
    133,667.45x = 25,323,067,291.19
  5. Step 5: Solve for x
    x = 25,323,067,291.19/133,667.45
  6. Step 6: Final answer
    x = 189,448.27

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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.