Home / 193,420.60-289,955.82-68,732.44

Finding the Fourth Proportional to 193,420.60, 289,955.82 and 68,732.44

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Solution

The fourth proportional to 193,420.60, 289,955.82 and 68,732.44 is: 103,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,420.60 : 289,955.82 = 68,732.44 : x
  2. Step 2: Convert to fraction form
    193,420.60/289,955.82 = 68,732.44/x
  3. Step 3: Cross multiply
    193,420.60x = 289,955.82 × 68,732.44
  4. Step 4: Simplify right side
    193,420.60x = 19,929,371,000.80
  5. Step 5: Solve for x
    x = 19,929,371,000.80/193,420.60
  6. Step 6: Final answer
    x = 103,036.44

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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.