Home / 199,742.35-299,614.31-49,982.21

Finding the Fourth Proportional to 199,742.35, 299,614.31 and 49,982.21

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Solution

The fourth proportional to 199,742.35, 299,614.31 and 49,982.21 is: 74,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,742.35 : 299,614.31 = 49,982.21 : x
  2. Step 2: Convert to fraction form
    199,742.35/299,614.31 = 49,982.21/x
  3. Step 3: Cross multiply
    199,742.35x = 299,614.31 × 49,982.21
  4. Step 4: Simplify right side
    199,742.35x = 14,975,385,361.43
  5. Step 5: Solve for x
    x = 14,975,385,361.43/199,742.35
  6. Step 6: Final answer
    x = 74,973.51

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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.