Home / 167,271.05-230,827.85-90,788.49

Finding the Fourth Proportional to 167,271.05, 230,827.85 and 90,788.49

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Solution

The fourth proportional to 167,271.05, 230,827.85 and 90,788.49 is: 125,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,271.05 : 230,827.85 = 90,788.49 : x
  2. Step 2: Convert to fraction form
    167,271.05/230,827.85 = 90,788.49/x
  3. Step 3: Cross multiply
    167,271.05x = 230,827.85 × 90,788.49
  4. Step 4: Simplify right side
    167,271.05x = 20,956,511,497.50
  5. Step 5: Solve for x
    x = 20,956,511,497.50/167,271.05
  6. Step 6: Final answer
    x = 125,284.75

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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.