Home / 281,966.55-422,974.67-79,564.44

Finding the Fourth Proportional to 281,966.55, 422,974.67 and 79,564.44

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Solution

The fourth proportional to 281,966.55, 422,974.67 and 79,564.44 is: 119,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,966.55 : 422,974.67 = 79,564.44 : x
  2. Step 2: Convert to fraction form
    281,966.55/422,974.67 = 79,564.44/x
  3. Step 3: Cross multiply
    281,966.55x = 422,974.67 × 79,564.44
  4. Step 4: Simplify right side
    281,966.55x = 33,653,742,354.91
  5. Step 5: Solve for x
    x = 33,653,742,354.91/281,966.55
  6. Step 6: Final answer
    x = 119,353.67

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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.