Home / 448,948.12-673,451.88-149,416.60

Finding the Fourth Proportional to 448,948.12, 673,451.88 and 149,416.60

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Solution

The fourth proportional to 448,948.12, 673,451.88 and 149,416.60 is: 224,134.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,948.12 : 673,451.88 = 149,416.60 : x
  2. Step 2: Convert to fraction form
    448,948.12/673,451.88 = 149,416.60/x
  3. Step 3: Cross multiply
    448,948.12x = 673,451.88 × 149,416.60
  4. Step 4: Simplify right side
    448,948.12x = 100,624,890,173.21
  5. Step 5: Solve for x
    x = 100,624,890,173.21/448,948.12
  6. Step 6: Final answer
    x = 224,134.78

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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.