Home / 167,071.36-230,560.80-91,614.88

Finding the Fourth Proportional to 167,071.36, 230,560.80 and 91,614.88

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Solution

The fourth proportional to 167,071.36, 230,560.80 and 91,614.88 is: 126,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,071.36 : 230,560.80 = 91,614.88 : x
  2. Step 2: Convert to fraction form
    167,071.36/230,560.80 = 91,614.88/x
  3. Step 3: Cross multiply
    167,071.36x = 230,560.80 × 91,614.88
  4. Step 4: Simplify right side
    167,071.36x = 21,122,800,024.70
  5. Step 5: Solve for x
    x = 21,122,800,024.70/167,071.36
  6. Step 6: Final answer
    x = 126,429.81

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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.