Home / 305,676.20-458,512.38-166,320.52

Finding the Fourth Proportional to 305,676.20, 458,512.38 and 166,320.52

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Solution

The fourth proportional to 305,676.20, 458,512.38 and 166,320.52 is: 249,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,676.20 : 458,512.38 = 166,320.52 : x
  2. Step 2: Convert to fraction form
    305,676.20/458,512.38 = 166,320.52/x
  3. Step 3: Cross multiply
    305,676.20x = 458,512.38 × 166,320.52
  4. Step 4: Simplify right side
    305,676.20x = 76,260,017,468.04
  5. Step 5: Solve for x
    x = 76,260,017,468.04/305,676.20
  6. Step 6: Final answer
    x = 249,479.74

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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.