Home / 109,748.80-164,623.20-43,191.10

Finding the Fourth Proportional to 109,748.80, 164,623.20 and 43,191.10

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Solution

The fourth proportional to 109,748.80, 164,623.20 and 43,191.10 is: 64,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,748.80 : 164,623.20 = 43,191.10 : x
  2. Step 2: Convert to fraction form
    109,748.80/164,623.20 = 43,191.10/x
  3. Step 3: Cross multiply
    109,748.80x = 164,623.20 × 43,191.10
  4. Step 4: Simplify right side
    109,748.80x = 7,110,257,093.52
  5. Step 5: Solve for x
    x = 7,110,257,093.52/109,748.80
  6. Step 6: Final answer
    x = 64,786.65

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Similar ratio
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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.