Home / 188,016.22-281,994.10-54,865.28

Finding the Fourth Proportional to 188,016.22, 281,994.10 and 54,865.28

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Solution

The fourth proportional to 188,016.22, 281,994.10 and 54,865.28 is: 82,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,016.22 : 281,994.10 = 54,865.28 : x
  2. Step 2: Convert to fraction form
    188,016.22/281,994.10 = 54,865.28/x
  3. Step 3: Cross multiply
    188,016.22x = 281,994.10 × 54,865.28
  4. Step 4: Simplify right side
    188,016.22x = 15,471,683,707.71
  5. Step 5: Solve for x
    x = 15,471,683,707.71/188,016.22
  6. Step 6: Final answer
    x = 82,289.09

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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.