Home / 451,705.14-677,609.55-152,082.90

Finding the Fourth Proportional to 451,705.14, 677,609.55 and 152,082.90

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Solution

The fourth proportional to 451,705.14, 677,609.55 and 152,082.90 is: 228,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,705.14 : 677,609.55 = 152,082.90 : x
  2. Step 2: Convert to fraction form
    451,705.14/677,609.55 = 152,082.90/x
  3. Step 3: Cross multiply
    451,705.14x = 677,609.55 × 152,082.90
  4. Step 4: Simplify right side
    451,705.14x = 103,052,825,431.70
  5. Step 5: Solve for x
    x = 103,052,825,431.70/451,705.14
  6. Step 6: Final answer
    x = 228,141.80

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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.