Home / 201,380.05-302,077.37-68,273.16

Finding the Fourth Proportional to 201,380.05, 302,077.37 and 68,273.16

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Solution

The fourth proportional to 201,380.05, 302,077.37 and 68,273.16 is: 102,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,380.05 : 302,077.37 = 68,273.16 : x
  2. Step 2: Convert to fraction form
    201,380.05/302,077.37 = 68,273.16/x
  3. Step 3: Cross multiply
    201,380.05x = 302,077.37 × 68,273.16
  4. Step 4: Simplify right side
    201,380.05x = 20,623,776,614.39
  5. Step 5: Solve for x
    x = 20,623,776,614.39/201,380.05
  6. Step 6: Final answer
    x = 102,412.21

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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.