Home / 193,414.22-289,985.24-74,985.74

Finding the Fourth Proportional to 193,414.22, 289,985.24 and 74,985.74

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Solution

The fourth proportional to 193,414.22, 289,985.24 and 74,985.74 is: 112,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,414.22 : 289,985.24 = 74,985.74 : x
  2. Step 2: Convert to fraction form
    193,414.22/289,985.24 = 74,985.74/x
  3. Step 3: Cross multiply
    193,414.22x = 289,985.24 × 74,985.74
  4. Step 4: Simplify right side
    193,414.22x = 21,744,757,810.48
  5. Step 5: Solve for x
    x = 21,744,757,810.48/193,414.22
  6. Step 6: Final answer
    x = 112,425.85

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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.