Home / 481,052.35-721,375.44-144,140.86

Finding the Fourth Proportional to 481,052.35, 721,375.44 and 144,140.86

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Solution

The fourth proportional to 481,052.35, 721,375.44 and 144,140.86 is: 216,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,052.35 : 721,375.44 = 144,140.86 : x
  2. Step 2: Convert to fraction form
    481,052.35/721,375.44 = 144,140.86/x
  3. Step 3: Cross multiply
    481,052.35x = 721,375.44 × 144,140.86
  4. Step 4: Simplify right side
    481,052.35x = 103,979,676,304.48
  5. Step 5: Solve for x
    x = 103,979,676,304.48/481,052.35
  6. Step 6: Final answer
    x = 216,150.44

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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.