Home / 481,254.70-721,741.89-144,281.90

Finding the Fourth Proportional to 481,254.70, 721,741.89 and 144,281.90

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Solution

The fourth proportional to 481,254.70, 721,741.89 and 144,281.90 is: 216,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,254.70 : 721,741.89 = 144,281.90 : x
  2. Step 2: Convert to fraction form
    481,254.70/721,741.89 = 144,281.90/x
  3. Step 3: Cross multiply
    481,254.70x = 721,741.89 × 144,281.90
  4. Step 4: Simplify right side
    481,254.70x = 104,134,291,198.79
  5. Step 5: Solve for x
    x = 104,134,291,198.79/481,254.70
  6. Step 6: Final answer
    x = 216,380.83

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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.