Home / 481,721.16-722,316.30-165,917.64

Finding the Fourth Proportional to 481,721.16, 722,316.30 and 165,917.64

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Solution

The fourth proportional to 481,721.16, 722,316.30 and 165,917.64 is: 248,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,721.16 : 722,316.30 = 165,917.64 : x
  2. Step 2: Convert to fraction form
    481,721.16/722,316.30 = 165,917.64/x
  3. Step 3: Cross multiply
    481,721.16x = 722,316.30 × 165,917.64
  4. Step 4: Simplify right side
    481,721.16x = 119,845,015,829.53
  5. Step 5: Solve for x
    x = 119,845,015,829.53/481,721.16
  6. Step 6: Final answer
    x = 248,785.04

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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.