Home / 297,830.20-446,828.70-120,461.80

Finding the Fourth Proportional to 297,830.20, 446,828.70 and 120,461.80

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Solution

The fourth proportional to 297,830.20, 446,828.70 and 120,461.80 is: 180,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,830.20 : 446,828.70 = 120,461.80 : x
  2. Step 2: Convert to fraction form
    297,830.20/446,828.70 = 120,461.80/x
  3. Step 3: Cross multiply
    297,830.20x = 446,828.70 × 120,461.80
  4. Step 4: Simplify right side
    297,830.20x = 53,825,789,493.66
  5. Step 5: Solve for x
    x = 53,825,789,493.66/297,830.20
  6. Step 6: Final answer
    x = 180,726.43

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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.