Home / 113,828.20-170,742.30-107,996.20

Finding the Fourth Proportional to 113,828.20, 170,742.30 and 107,996.20

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Solution

The fourth proportional to 113,828.20, 170,742.30 and 107,996.20 is: 161,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,828.20 : 170,742.30 = 107,996.20 : x
  2. Step 2: Convert to fraction form
    113,828.20/170,742.30 = 107,996.20/x
  3. Step 3: Cross multiply
    113,828.20x = 170,742.30 × 107,996.20
  4. Step 4: Simplify right side
    113,828.20x = 18,439,519,579.26
  5. Step 5: Solve for x
    x = 18,439,519,579.26/113,828.20
  6. Step 6: Final answer
    x = 161,994.30

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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.