Home / 302,057.28-453,089.64-131,239.44

Finding the Fourth Proportional to 302,057.28, 453,089.64 and 131,239.44

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Solution

The fourth proportional to 302,057.28, 453,089.64 and 131,239.44 is: 196,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,057.28 : 453,089.64 = 131,239.44 : x
  2. Step 2: Convert to fraction form
    302,057.28/453,089.64 = 131,239.44/x
  3. Step 3: Cross multiply
    302,057.28x = 453,089.64 × 131,239.44
  4. Step 4: Simplify right side
    302,057.28x = 59,463,230,623.40
  5. Step 5: Solve for x
    x = 59,463,230,623.40/302,057.28
  6. Step 6: Final answer
    x = 196,860.78

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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.