Home / 215,170.19-322,537.32-108,231.02

Finding the Fourth Proportional to 215,170.19, 322,537.32 and 108,231.02

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Solution

The fourth proportional to 215,170.19, 322,537.32 and 108,231.02 is: 162,236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,170.19 : 322,537.32 = 108,231.02 : x
  2. Step 2: Convert to fraction form
    215,170.19/322,537.32 = 108,231.02/x
  3. Step 3: Cross multiply
    215,170.19x = 322,537.32 × 108,231.02
  4. Step 4: Simplify right side
    215,170.19x = 34,908,541,518.98
  5. Step 5: Solve for x
    x = 34,908,541,518.98/215,170.19
  6. Step 6: Final answer
    x = 162,236.89

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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.