Home / 140,600.73-194,029.02-76,938.53

Finding the Fourth Proportional to 140,600.73, 194,029.02 and 76,938.53

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Solution

The fourth proportional to 140,600.73, 194,029.02 and 76,938.53 is: 106,175.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,600.73 : 194,029.02 = 76,938.53 : x
  2. Step 2: Convert to fraction form
    140,600.73/194,029.02 = 76,938.53/x
  3. Step 3: Cross multiply
    140,600.73x = 194,029.02 × 76,938.53
  4. Step 4: Simplify right side
    140,600.73x = 14,928,307,576.14
  5. Step 5: Solve for x
    x = 14,928,307,576.14/140,600.73
  6. Step 6: Final answer
    x = 106,175.18

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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.