Home / 167,239-230,789.82-91,792.36

Finding the Fourth Proportional to 167,239, 230,789.82 and 91,792.36

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Solution

The fourth proportional to 167,239, 230,789.82 and 91,792.36 is: 126,673.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,239 : 230,789.82 = 91,792.36 : x
  2. Step 2: Convert to fraction form
    167,239/230,789.82 = 91,792.36/x
  3. Step 3: Cross multiply
    167,239x = 230,789.82 × 91,792.36
  4. Step 4: Simplify right side
    167,239x = 21,184,742,241.78
  5. Step 5: Solve for x
    x = 21,184,742,241.78/167,239
  6. Step 6: Final answer
    x = 126,673.46

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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.