Home / 302,014.20-453,021.30-91,662.60

Finding the Fourth Proportional to 302,014.20, 453,021.30 and 91,662.60

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Solution

The fourth proportional to 302,014.20, 453,021.30 and 91,662.60 is: 137,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,014.20 : 453,021.30 = 91,662.60 : x
  2. Step 2: Convert to fraction form
    302,014.20/453,021.30 = 91,662.60/x
  3. Step 3: Cross multiply
    302,014.20x = 453,021.30 × 91,662.60
  4. Step 4: Simplify right side
    302,014.20x = 41,525,110,213.38
  5. Step 5: Solve for x
    x = 41,525,110,213.38/302,014.20
  6. Step 6: Final answer
    x = 137,493.90

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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.