Home / 167,171.09-230,700.11-91,719.59

Finding the Fourth Proportional to 167,171.09, 230,700.11 and 91,719.59

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Solution

The fourth proportional to 167,171.09, 230,700.11 and 91,719.59 is: 126,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,171.09 : 230,700.11 = 91,719.59 : x
  2. Step 2: Convert to fraction form
    167,171.09/230,700.11 = 91,719.59/x
  3. Step 3: Cross multiply
    167,171.09x = 230,700.11 × 91,719.59
  4. Step 4: Simplify right side
    167,171.09x = 21,159,717,890.06
  5. Step 5: Solve for x
    x = 21,159,717,890.06/167,171.09
  6. Step 6: Final answer
    x = 126,575.23

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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.