Home / 300,124.20-449,927.10-181,669.80

Finding the Fourth Proportional to 300,124.20, 449,927.10 and 181,669.80

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Solution

The fourth proportional to 300,124.20, 449,927.10 and 181,669.80 is: 272,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,124.20 : 449,927.10 = 181,669.80 : x
  2. Step 2: Convert to fraction form
    300,124.20/449,927.10 = 181,669.80/x
  3. Step 3: Cross multiply
    300,124.20x = 449,927.10 × 181,669.80
  4. Step 4: Simplify right side
    300,124.20x = 81,738,166,271.58
  5. Step 5: Solve for x
    x = 81,738,166,271.58/300,124.20
  6. Step 6: Final answer
    x = 272,347.80

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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.