Home / 449,041.20-673,655.40-149,614.80

Finding the Fourth Proportional to 449,041.20, 673,655.40 and 149,614.80

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Solution

The fourth proportional to 449,041.20, 673,655.40 and 149,614.80 is: 224,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,041.20 : 673,655.40 = 149,614.80 : x
  2. Step 2: Convert to fraction form
    449,041.20/673,655.40 = 149,614.80/x
  3. Step 3: Cross multiply
    449,041.20x = 673,655.40 × 149,614.80
  4. Step 4: Simplify right side
    449,041.20x = 100,788,817,939.92
  5. Step 5: Solve for x
    x = 100,788,817,939.92/449,041.20
  6. Step 6: Final answer
    x = 224,453.39

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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.