Home / 95,414.20-143,121.30-91,477.60

Finding the Fourth Proportional to 95,414.20, 143,121.30 and 91,477.60

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Solution

The fourth proportional to 95,414.20, 143,121.30 and 91,477.60 is: 137,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,414.20 : 143,121.30 = 91,477.60 : x
  2. Step 2: Convert to fraction form
    95,414.20/143,121.30 = 91,477.60/x
  3. Step 3: Cross multiply
    95,414.20x = 143,121.30 × 91,477.60
  4. Step 4: Simplify right side
    95,414.20x = 13,092,393,032.88
  5. Step 5: Solve for x
    x = 13,092,393,032.88/95,414.20
  6. Step 6: Final answer
    x = 137,216.40

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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.