Home / 109,245.97-163,966.64-55,974.29

Finding the Fourth Proportional to 109,245.97, 163,966.64 and 55,974.29

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Solution

The fourth proportional to 109,245.97, 163,966.64 and 55,974.29 is: 84,011.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,245.97 : 163,966.64 = 55,974.29 : x
  2. Step 2: Convert to fraction form
    109,245.97/163,966.64 = 55,974.29/x
  3. Step 3: Cross multiply
    109,245.97x = 163,966.64 × 55,974.29
  4. Step 4: Simplify right side
    109,245.97x = 9,177,915,977.81
  5. Step 5: Solve for x
    x = 9,177,915,977.81/109,245.97
  6. Step 6: Final answer
    x = 84,011.48

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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.