Home / 297,921.40-446,882.10-191,633.20

Finding the Fourth Proportional to 297,921.40, 446,882.10 and 191,633.20

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Solution

The fourth proportional to 297,921.40, 446,882.10 and 191,633.20 is: 287,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,921.40 : 446,882.10 = 191,633.20 : x
  2. Step 2: Convert to fraction form
    297,921.40/446,882.10 = 191,633.20/x
  3. Step 3: Cross multiply
    297,921.40x = 446,882.10 × 191,633.20
  4. Step 4: Simplify right side
    297,921.40x = 85,637,446,845.72
  5. Step 5: Solve for x
    x = 85,637,446,845.72/297,921.40
  6. Step 6: Final answer
    x = 287,449.80

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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.