Home / 167,839.66-231,624.59-91,365.05

Finding the Fourth Proportional to 167,839.66, 231,624.59 and 91,365.05

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Solution

The fourth proportional to 167,839.66, 231,624.59 and 91,365.05 is: 126,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,839.66 : 231,624.59 = 91,365.05 : x
  2. Step 2: Convert to fraction form
    167,839.66/231,624.59 = 91,365.05/x
  3. Step 3: Cross multiply
    167,839.66x = 231,624.59 × 91,365.05
  4. Step 4: Simplify right side
    167,839.66x = 21,162,390,631.63
  5. Step 5: Solve for x
    x = 21,162,390,631.63/167,839.66
  6. Step 6: Final answer
    x = 126,086.95

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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.