Home / 215,194.92-322,835.94-74,964.48

Finding the Fourth Proportional to 215,194.92, 322,835.94 and 74,964.48

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Solution

The fourth proportional to 215,194.92, 322,835.94 and 74,964.48 is: 112,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,194.92 : 322,835.94 = 74,964.48 : x
  2. Step 2: Convert to fraction form
    215,194.92/322,835.94 = 74,964.48/x
  3. Step 3: Cross multiply
    215,194.92x = 322,835.94 × 74,964.48
  4. Step 4: Simplify right side
    215,194.92x = 24,201,228,367.41
  5. Step 5: Solve for x
    x = 24,201,228,367.41/215,194.92
  6. Step 6: Final answer
    x = 112,461.89

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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.