Home / 122,410.45-183,613.24-80,554.92

Finding the Fourth Proportional to 122,410.45, 183,613.24 and 80,554.92

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Solution

The fourth proportional to 122,410.45, 183,613.24 and 80,554.92 is: 120,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,410.45 : 183,613.24 = 80,554.92 : x
  2. Step 2: Convert to fraction form
    122,410.45/183,613.24 = 80,554.92/x
  3. Step 3: Cross multiply
    122,410.45x = 183,613.24 × 80,554.92
  4. Step 4: Simplify right side
    122,410.45x = 14,790,949,859.14
  5. Step 5: Solve for x
    x = 14,790,949,859.14/122,410.45
  6. Step 6: Final answer
    x = 120,830.78

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1.5x scale

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.