Home / 140,600.68-194,028.93-76,938.48

Finding the Fourth Proportional to 140,600.68, 194,028.93 and 76,938.48

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Solution

The fourth proportional to 140,600.68, 194,028.93 and 76,938.48 is: 106,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,600.68 : 194,028.93 = 76,938.48 : x
  2. Step 2: Convert to fraction form
    140,600.68/194,028.93 = 76,938.48/x
  3. Step 3: Cross multiply
    140,600.68x = 194,028.93 × 76,938.48
  4. Step 4: Simplify right side
    140,600.68x = 14,928,290,950.23
  5. Step 5: Solve for x
    x = 14,928,290,950.23/140,600.68
  6. Step 6: Final answer
    x = 106,175.10

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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.