Home / 215,929.80-324,056.70-110,694.60

Finding the Fourth Proportional to 215,929.80, 324,056.70 and 110,694.60

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Solution

The fourth proportional to 215,929.80, 324,056.70 and 110,694.60 is: 166,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,929.80 : 324,056.70 = 110,694.60 : x
  2. Step 2: Convert to fraction form
    215,929.80/324,056.70 = 110,694.60/x
  3. Step 3: Cross multiply
    215,929.80x = 324,056.70 × 110,694.60
  4. Step 4: Simplify right side
    215,929.80x = 35,871,326,783.82
  5. Step 5: Solve for x
    x = 35,871,326,783.82/215,929.80
  6. Step 6: Final answer
    x = 166,124.95

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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.