Home / 215,375.12-322,862.99-95,368.15

Finding the Fourth Proportional to 215,375.12, 322,862.99 and 95,368.15

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Solution

The fourth proportional to 215,375.12, 322,862.99 and 95,368.15 is: 142,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,375.12 : 322,862.99 = 95,368.15 : x
  2. Step 2: Convert to fraction form
    215,375.12/322,862.99 = 95,368.15/x
  3. Step 3: Cross multiply
    215,375.12x = 322,862.99 × 95,368.15
  4. Step 4: Simplify right side
    215,375.12x = 30,790,846,059.77
  5. Step 5: Solve for x
    x = 30,790,846,059.77/215,375.12
  6. Step 6: Final answer
    x = 142,963.81

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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.