Home / 136,822.94-188,847.15-80,252.54

Finding the Fourth Proportional to 136,822.94, 188,847.15 and 80,252.54

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Solution

The fourth proportional to 136,822.94, 188,847.15 and 80,252.54 is: 110,766.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,822.94 : 188,847.15 = 80,252.54 : x
  2. Step 2: Convert to fraction form
    136,822.94/188,847.15 = 80,252.54/x
  3. Step 3: Cross multiply
    136,822.94x = 188,847.15 × 80,252.54
  4. Step 4: Simplify right side
    136,822.94x = 15,155,463,459.26
  5. Step 5: Solve for x
    x = 15,155,463,459.26/136,822.94
  6. Step 6: Final answer
    x = 110,766.98

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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.