Home / 156,942.34-216,575.92-88,965.60

Finding the Fourth Proportional to 156,942.34, 216,575.92 and 88,965.60

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Solution

The fourth proportional to 156,942.34, 216,575.92 and 88,965.60 is: 122,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.34 : 216,575.92 = 88,965.60 : x
  2. Step 2: Convert to fraction form
    156,942.34/216,575.92 = 88,965.60/x
  3. Step 3: Cross multiply
    156,942.34x = 216,575.92 × 88,965.60
  4. Step 4: Simplify right side
    156,942.34x = 19,267,806,668.35
  5. Step 5: Solve for x
    x = 19,267,806,668.35/156,942.34
  6. Step 6: Final answer
    x = 122,769.97

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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.