Home / 167,538.10-251,351.70-72,727.60

Finding the Fourth Proportional to 167,538.10, 251,351.70 and 72,727.60

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Solution

The fourth proportional to 167,538.10, 251,351.70 and 72,727.60 is: 109,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,538.10 : 251,351.70 = 72,727.60 : x
  2. Step 2: Convert to fraction form
    167,538.10/251,351.70 = 72,727.60/x
  3. Step 3: Cross multiply
    167,538.10x = 251,351.70 × 72,727.60
  4. Step 4: Simplify right side
    167,538.10x = 18,280,205,896.92
  5. Step 5: Solve for x
    x = 18,280,205,896.92/167,538.10
  6. Step 6: Final answer
    x = 109,110.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.