Home / 450,765.20-676,490.54-166,724.43

Finding the Fourth Proportional to 450,765.20, 676,490.54 and 166,724.43

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Solution

The fourth proportional to 450,765.20, 676,490.54 and 166,724.43 is: 250,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,765.20 : 676,490.54 = 166,724.43 : x
  2. Step 2: Convert to fraction form
    450,765.20/676,490.54 = 166,724.43/x
  3. Step 3: Cross multiply
    450,765.20x = 676,490.54 × 166,724.43
  4. Step 4: Simplify right side
    450,765.20x = 112,787,496,311.43
  5. Step 5: Solve for x
    x = 112,787,496,311.43/450,765.20
  6. Step 6: Final answer
    x = 250,213.41

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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.