Home / 448,372.80-672,819.84-168,085.44

Finding the Fourth Proportional to 448,372.80, 672,819.84 and 168,085.44

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Solution

The fourth proportional to 448,372.80, 672,819.84 and 168,085.44 is: 252,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,372.80 : 672,819.84 = 168,085.44 : x
  2. Step 2: Convert to fraction form
    448,372.80/672,819.84 = 168,085.44/x
  3. Step 3: Cross multiply
    448,372.80x = 672,819.84 × 168,085.44
  4. Step 4: Simplify right side
    448,372.80x = 113,091,218,847.13
  5. Step 5: Solve for x
    x = 113,091,218,847.13/448,372.80
  6. Step 6: Final answer
    x = 252,225.87

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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.