Home / 448,949.12-673,453.38-149,417.60

Finding the Fourth Proportional to 448,949.12, 673,453.38 and 149,417.60

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Solution

The fourth proportional to 448,949.12, 673,453.38 and 149,417.60 is: 224,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,949.12 : 673,453.38 = 149,417.60 : x
  2. Step 2: Convert to fraction form
    448,949.12/673,453.38 = 149,417.60/x
  3. Step 3: Cross multiply
    448,949.12x = 673,453.38 × 149,417.60
  4. Step 4: Simplify right side
    448,949.12x = 100,625,787,751.49
  5. Step 5: Solve for x
    x = 100,625,787,751.49/448,949.12
  6. Step 6: Final answer
    x = 224,136.28

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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.