Home / 120,898.16-166,843.66-67,185.44

Finding the Fourth Proportional to 120,898.16, 166,843.66 and 67,185.44

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Solution

The fourth proportional to 120,898.16, 166,843.66 and 67,185.44 is: 92,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,898.16 : 166,843.66 = 67,185.44 : x
  2. Step 2: Convert to fraction form
    120,898.16/166,843.66 = 67,185.44/x
  3. Step 3: Cross multiply
    120,898.16x = 166,843.66 × 67,185.44
  4. Step 4: Simplify right side
    120,898.16x = 11,209,464,708.31
  5. Step 5: Solve for x
    x = 11,209,464,708.31/120,898.16
  6. Step 6: Final answer
    x = 92,718.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.