Home / 164,229.62-226,637.20-88,778.12

Finding the Fourth Proportional to 164,229.62, 226,637.20 and 88,778.12

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Solution

The fourth proportional to 164,229.62, 226,637.20 and 88,778.12 is: 122,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,229.62 : 226,637.20 = 88,778.12 : x
  2. Step 2: Convert to fraction form
    164,229.62/226,637.20 = 88,778.12/x
  3. Step 3: Cross multiply
    164,229.62x = 226,637.20 × 88,778.12
  4. Step 4: Simplify right side
    164,229.62x = 20,120,423,404.88
  5. Step 5: Solve for x
    x = 20,120,423,404.88/164,229.62
  6. Step 6: Final answer
    x = 122,513.98

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1.5x scale

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.