Home / 481,205.76-721,908.24-144,232.80

Finding the Fourth Proportional to 481,205.76, 721,908.24 and 144,232.80

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Solution

The fourth proportional to 481,205.76, 721,908.24 and 144,232.80 is: 216,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,205.76 : 721,908.24 = 144,232.80 : x
  2. Step 2: Convert to fraction form
    481,205.76/721,908.24 = 144,232.80/x
  3. Step 3: Cross multiply
    481,205.76x = 721,908.24 × 144,232.80
  4. Step 4: Simplify right side
    481,205.76x = 104,122,846,798.27
  5. Step 5: Solve for x
    x = 104,122,846,798.27/481,205.76
  6. Step 6: Final answer
    x = 216,379.05

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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.