Home / 220,353.38-330,299.40-92,342.96

Finding the Fourth Proportional to 220,353.38, 330,299.40 and 92,342.96

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Solution

The fourth proportional to 220,353.38, 330,299.40 and 92,342.96 is: 138,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,353.38 : 330,299.40 = 92,342.96 : x
  2. Step 2: Convert to fraction form
    220,353.38/330,299.40 = 92,342.96/x
  3. Step 3: Cross multiply
    220,353.38x = 330,299.40 × 92,342.96
  4. Step 4: Simplify right side
    220,353.38x = 30,500,824,282.22
  5. Step 5: Solve for x
    x = 30,500,824,282.22/220,353.38
  6. Step 6: Final answer
    x = 138,417.77

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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.