Home / 193,222.60-289,977.90-99,680.20

Finding the Fourth Proportional to 193,222.60, 289,977.90 and 99,680.20

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Solution

The fourth proportional to 193,222.60, 289,977.90 and 99,680.20 is: 149,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,222.60 : 289,977.90 = 99,680.20 : x
  2. Step 2: Convert to fraction form
    193,222.60/289,977.90 = 99,680.20/x
  3. Step 3: Cross multiply
    193,222.60x = 289,977.90 × 99,680.20
  4. Step 4: Simplify right side
    193,222.60x = 28,905,055,067.58
  5. Step 5: Solve for x
    x = 28,905,055,067.58/193,222.60
  6. Step 6: Final answer
    x = 149,594.59

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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.