Home / 481,072.32-721,600.74-165,531.96

Finding the Fourth Proportional to 481,072.32, 721,600.74 and 165,531.96

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Solution

The fourth proportional to 481,072.32, 721,600.74 and 165,531.96 is: 248,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,072.32 : 721,600.74 = 165,531.96 : x
  2. Step 2: Convert to fraction form
    481,072.32/721,600.74 = 165,531.96/x
  3. Step 3: Cross multiply
    481,072.32x = 721,600.74 × 165,531.96
  4. Step 4: Simplify right side
    481,072.32x = 119,447,984,829.65
  5. Step 5: Solve for x
    x = 119,447,984,829.65/481,072.32
  6. Step 6: Final answer
    x = 248,295.28

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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.