Home / 167,595.81-231,286.78-91,120.05

Finding the Fourth Proportional to 167,595.81, 231,286.78 and 91,120.05

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Solution

The fourth proportional to 167,595.81, 231,286.78 and 91,120.05 is: 125,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,595.81 : 231,286.78 = 91,120.05 : x
  2. Step 2: Convert to fraction form
    167,595.81/231,286.78 = 91,120.05/x
  3. Step 3: Cross multiply
    167,595.81x = 231,286.78 × 91,120.05
  4. Step 4: Simplify right side
    167,595.81x = 21,074,863,740.21
  5. Step 5: Solve for x
    x = 21,074,863,740.21/167,595.81
  6. Step 6: Final answer
    x = 125,748.15

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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.