Home / 448,021.80-672,024.60-111,063.24

Finding the Fourth Proportional to 448,021.80, 672,024.60 and 111,063.24

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Solution

The fourth proportional to 448,021.80, 672,024.60 and 111,063.24 is: 166,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,021.80 : 672,024.60 = 111,063.24 : x
  2. Step 2: Convert to fraction form
    448,021.80/672,024.60 = 111,063.24/x
  3. Step 3: Cross multiply
    448,021.80x = 672,024.60 × 111,063.24
  4. Step 4: Simplify right side
    448,021.80x = 74,637,229,435.70
  5. Step 5: Solve for x
    x = 74,637,229,435.70/448,021.80
  6. Step 6: Final answer
    x = 166,592.85

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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.